Home / 518,240.07-777,360.15-202,475.61

Finding the Fourth Proportional to 518,240.07, 777,360.15 and 202,475.61

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Solution

The fourth proportional to 518,240.07, 777,360.15 and 202,475.61 is: 303,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,240.07 : 777,360.15 = 202,475.61 : x
  2. Step 2: Convert to fraction form
    518,240.07/777,360.15 = 202,475.61/x
  3. Step 3: Cross multiply
    518,240.07x = 777,360.15 × 202,475.61
  4. Step 4: Simplify right side
    518,240.07x = 157,396,470,560.94
  5. Step 5: Solve for x
    x = 157,396,470,560.94/518,240.07
  6. Step 6: Final answer
    x = 303,713.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.