Home / 465,080.20-641,638.47-292,951.96

Finding the Fourth Proportional to 465,080.20, 641,638.47 and 292,951.96

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Solution

The fourth proportional to 465,080.20, 641,638.47 and 292,951.96 is: 404,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,080.20 : 641,638.47 = 292,951.96 : x
  2. Step 2: Convert to fraction form
    465,080.20/641,638.47 = 292,951.96/x
  3. Step 3: Cross multiply
    465,080.20x = 641,638.47 × 292,951.96
  4. Step 4: Simplify right side
    465,080.20x = 187,969,247,397.90
  5. Step 5: Solve for x
    x = 187,969,247,397.90/465,080.20
  6. Step 6: Final answer
    x = 404,165.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.