Home / 497,312.20-746,357.10-231,105.70

Finding the Fourth Proportional to 497,312.20, 746,357.10 and 231,105.70

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Solution

The fourth proportional to 497,312.20, 746,357.10 and 231,105.70 is: 346,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,312.20 : 746,357.10 = 231,105.70 : x
  2. Step 2: Convert to fraction form
    497,312.20/746,357.10 = 231,105.70/x
  3. Step 3: Cross multiply
    497,312.20x = 746,357.10 × 231,105.70
  4. Step 4: Simplify right side
    497,312.20x = 172,487,380,045.47
  5. Step 5: Solve for x
    x = 172,487,380,045.47/497,312.20
  6. Step 6: Final answer
    x = 346,839.23

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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.