Home / 667,951.20-1,002,553.20-352,634.40

Finding the Fourth Proportional to 667,951.20, 1,002,553.20 and 352,634.40

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Solution

The fourth proportional to 667,951.20, 1,002,553.20 and 352,634.40 is: 529,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,951.20 : 1,002,553.20 = 352,634.40 : x
  2. Step 2: Convert to fraction form
    667,951.20/1,002,553.20 = 352,634.40/x
  3. Step 3: Cross multiply
    667,951.20x = 1,002,553.20 × 352,634.40
  4. Step 4: Simplify right side
    667,951.20x = 353,534,746,150.08
  5. Step 5: Solve for x
    x = 353,534,746,150.08/667,951.20
  6. Step 6: Final answer
    x = 529,282.30

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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.