Home / 465,081.20-641,639.85-292,952.96

Finding the Fourth Proportional to 465,081.20, 641,639.85 and 292,952.96

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Solution

The fourth proportional to 465,081.20, 641,639.85 and 292,952.96 is: 404,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,081.20 : 641,639.85 = 292,952.96 : x
  2. Step 2: Convert to fraction form
    465,081.20/641,639.85 = 292,952.96/x
  3. Step 3: Cross multiply
    465,081.20x = 641,639.85 × 292,952.96
  4. Step 4: Simplify right side
    465,081.20x = 187,970,293,311.46
  5. Step 5: Solve for x
    x = 187,970,293,311.46/465,081.20
  6. Step 6: Final answer
    x = 404,166.61

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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.