Home / 752,711.91-1,038,757.87-426,024.92

Finding the Fourth Proportional to 752,711.91, 1,038,757.87 and 426,024.92

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Solution

The fourth proportional to 752,711.91, 1,038,757.87 and 426,024.92 is: 587,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,711.91 : 1,038,757.87 = 426,024.92 : x
  2. Step 2: Convert to fraction form
    752,711.91/1,038,757.87 = 426,024.92/x
  3. Step 3: Cross multiply
    752,711.91x = 1,038,757.87 × 426,024.92
  4. Step 4: Simplify right side
    752,711.91x = 442,536,733,804.86
  5. Step 5: Solve for x
    x = 442,536,733,804.86/752,711.91
  6. Step 6: Final answer
    x = 587,923.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.