Home / 938,330.92-1,407,280.51-559,358.65

Finding the Fourth Proportional to 938,330.92, 1,407,280.51 and 559,358.65

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Solution

The fourth proportional to 938,330.92, 1,407,280.51 and 559,358.65 is: 838,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,330.92 : 1,407,280.51 = 559,358.65 : x
  2. Step 2: Convert to fraction form
    938,330.92/1,407,280.51 = 559,358.65/x
  3. Step 3: Cross multiply
    938,330.92x = 1,407,280.51 × 559,358.65
  4. Step 4: Simplify right side
    938,330.92x = 787,174,526,244.91
  5. Step 5: Solve for x
    x = 787,174,526,244.91/938,330.92
  6. Step 6: Final answer
    x = 838,909.29

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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.