Home / 497,761.20-747,030.60-231,554.70

Finding the Fourth Proportional to 497,761.20, 747,030.60 and 231,554.70

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Solution

The fourth proportional to 497,761.20, 747,030.60 and 231,554.70 is: 347,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,761.20 : 747,030.60 = 231,554.70 : x
  2. Step 2: Convert to fraction form
    497,761.20/747,030.60 = 231,554.70/x
  3. Step 3: Cross multiply
    497,761.20x = 747,030.60 × 231,554.70
  4. Step 4: Simplify right side
    497,761.20x = 172,978,446,473.82
  5. Step 5: Solve for x
    x = 172,978,446,473.82/497,761.20
  6. Step 6: Final answer
    x = 347,512.92

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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.