| x | + | ( | 554544 5 | − | 303 250 | x | ) | ÷ | 1818 125 | = | 77520 |
| Left side of the equation = | x | + | 554544 5 | × | 125 1818 | − | 303 250 | x | × | 125 1818 |
| = | x | + | 770200 101 | − | 1 12 | x |
| = | 11 12 | x | + | 770200 101 |
11 12 | x | + | 770200 101 | = | 77520 |
11 12 | x | = | 77520 | − | 770200 101 |
11 12 | x | = | 7059320 101 |
| x | = | 7059320 101 | ÷ | 11 12 |
| = | 7059320 101 | × | 12 11 |
| x | = | 84711840 1111 |
| x | = | 76248.280828 |