Home / 497,635.10-746,306.85-231,331.40

Finding the Fourth Proportional to 497,635.10, 746,306.85 and 231,331.40

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Solution

The fourth proportional to 497,635.10, 746,306.85 and 231,331.40 is: 346,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,635.10 : 746,306.85 = 231,331.40 : x
  2. Step 2: Convert to fraction form
    497,635.10/746,306.85 = 231,331.40/x
  3. Step 3: Cross multiply
    497,635.10x = 746,306.85 × 231,331.40
  4. Step 4: Simplify right side
    497,635.10x = 172,644,208,440.09
  5. Step 5: Solve for x
    x = 172,644,208,440.09/497,635.10
  6. Step 6: Final answer
    x = 346,929.32

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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.