Home / 742,767.92-1,025,863.92-500,633.12

Finding the Fourth Proportional to 742,767.92, 1,025,863.92 and 500,633.12

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Solution

The fourth proportional to 742,767.92, 1,025,863.92 and 500,633.12 is: 691,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,767.92 : 1,025,863.92 = 500,633.12 : x
  2. Step 2: Convert to fraction form
    742,767.92/1,025,863.92 = 500,633.12/x
  3. Step 3: Cross multiply
    742,767.92x = 1,025,863.92 × 500,633.12
  4. Step 4: Simplify right side
    742,767.92x = 513,581,454,965.03
  5. Step 5: Solve for x
    x = 513,581,454,965.03/742,767.92
  6. Step 6: Final answer
    x = 691,442.70

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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.