612904 divided by 90 
Let's see how many times 90 fits into 612904.

Moving on to step 1:
The number 90 fits into 6 0 times, leaving a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Append the next digit (1) from the dividend to 6 and continue with: 61 / 90

Let's proceed to step 2:
When dividing 61 by 90, we get 0 with a remainder of 61.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 61 leaves us with 61.
Bring next digit (2) of the dividend behind the 61 and repeat the process: 612 / 90

On to step 3:
When dividing 612 by 90, we get 6 with a remainder of 72.
Put 6 as the next digit of the answer. 
Result so far: 6.0
Deduct 540 from 612 and we're left with 72.
Append the next digit (9) from the dividend to 72 and continue with: 729 / 90

Going ahead to step 4:
90 can be fit into 729 8 times, resulting in a remainder of 9.
The next digit of our result is 8. 
Result so far: 68.0
Subtract 720 from 729 to get 9.
Fetch the next digit (0) from the dividend, attach it to 9 and continue: 90 / 90

Let's proceed to step 5:
90 can be fit into 90 1 times, resulting in a remainder of 0.
The number 1 becomes the next digit in our result. 
Result so far: 681.0
If we take 90 away from 90, we end up with 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 90

Step 6:
When dividing 4 by 90, we get 0 with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 6810.0
The remainder is 4 after subtracting 0 from 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
90 can be fit into 40 0 times, resulting in a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 6810.0
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 8:
The number 90 fits into 400 4 times, leaving a remainder of 40.
The next digit of our result is 4. 
Result so far: 6810.04
Deduct 360 from 400 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 9:
90 can be fit into 400 4 times, resulting in a remainder of 40.
Use 4 as the next digit of our solution. 
Result so far: 6810.044
If we subtract 360 from 400, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

In conclusion, the division gives 6810.044 with a balance of 0.004.