| x | − | x | × | 1 100 | − | ( | x | × | 1 100 | ) | × | 4 500 | = | 450000 |
| Left side of the equation = | 99 100 | x | − | ( | x | × | 1 100 | ) | × | 4 500 |
99 100 | x | − | ( | x | × | 1 100 | ) | × | 4 500 | = | 450000 |
| Left side of the equation = | 99 100 | x | − | x | × | 1 100 | × | 4 500 |
| = | 99 100 | x | − | x | × | 1 12500 |
| = | 6187 6250 | x |
6187 6250 | x | = | 450000 |
| x | = | 450000 | ÷ | 6187 6250 |
| = | 450000 | × | 6250 6187 |
| x | = | 2812500000 6187 |
| x | = | 454582.18846 |