Home / 861,850.24-1,189,332.48-479,869.12

Finding the Fourth Proportional to 861,850.24, 1,189,332.48 and 479,869.12

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Solution

The fourth proportional to 861,850.24, 1,189,332.48 and 479,869.12 is: 662,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,850.24 : 1,189,332.48 = 479,869.12 : x
  2. Step 2: Convert to fraction form
    861,850.24/1,189,332.48 = 479,869.12/x
  3. Step 3: Cross multiply
    861,850.24x = 1,189,332.48 × 479,869.12
  4. Step 4: Simplify right side
    861,850.24x = 570,723,930,565.02
  5. Step 5: Solve for x
    x = 570,723,930,565.02/861,850.24
  6. Step 6: Final answer
    x = 662,207.78

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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.