Home / 497,762.20-747,032.10-231,555.70

Finding the Fourth Proportional to 497,762.20, 747,032.10 and 231,555.70

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Solution

The fourth proportional to 497,762.20, 747,032.10 and 231,555.70 is: 347,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,762.20 : 747,032.10 = 231,555.70 : x
  2. Step 2: Convert to fraction form
    497,762.20/747,032.10 = 231,555.70/x
  3. Step 3: Cross multiply
    497,762.20x = 747,032.10 × 231,555.70
  4. Step 4: Simplify right side
    497,762.20x = 172,979,540,837.97
  5. Step 5: Solve for x
    x = 172,979,540,837.97/497,762.20
  6. Step 6: Final answer
    x = 347,514.42

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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.