Home / 625,276.18-862,897.17-383,692.24

Finding the Fourth Proportional to 625,276.18, 862,897.17 and 383,692.24

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Solution

The fourth proportional to 625,276.18, 862,897.17 and 383,692.24 is: 529,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,276.18 : 862,897.17 = 383,692.24 : x
  2. Step 2: Convert to fraction form
    625,276.18/862,897.17 = 383,692.24/x
  3. Step 3: Cross multiply
    625,276.18x = 862,897.17 × 383,692.24
  4. Step 4: Simplify right side
    625,276.18x = 331,086,948,046.96
  5. Step 5: Solve for x
    x = 331,086,948,046.96/625,276.18
  6. Step 6: Final answer
    x = 529,505.13

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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.