Home / 641,116.82-884,789.19-365,481.24

Finding the Fourth Proportional to 641,116.82, 884,789.19 and 365,481.24

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Solution

The fourth proportional to 641,116.82, 884,789.19 and 365,481.24 is: 504,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,116.82 : 884,789.19 = 365,481.24 : x
  2. Step 2: Convert to fraction form
    641,116.82/884,789.19 = 365,481.24/x
  3. Step 3: Cross multiply
    641,116.82x = 884,789.19 × 365,481.24
  4. Step 4: Simplify right side
    641,116.82x = 323,373,850,299.80
  5. Step 5: Solve for x
    x = 323,373,850,299.80/641,116.82
  6. Step 6: Final answer
    x = 504,391.47

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1.5x scale

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.