Home / 535,207.19-802,610.76-215,251.06

Finding the Fourth Proportional to 535,207.19, 802,610.76 and 215,251.06

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Solution

The fourth proportional to 535,207.19, 802,610.76 and 215,251.06 is: 322,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,207.19 : 802,610.76 = 215,251.06 : x
  2. Step 2: Convert to fraction form
    535,207.19/802,610.76 = 215,251.06/x
  3. Step 3: Cross multiply
    535,207.19x = 802,610.76 × 215,251.06
  4. Step 4: Simplify right side
    535,207.19x = 172,762,815,781.15
  5. Step 5: Solve for x
    x = 172,762,815,781.15/535,207.19
  6. Step 6: Final answer
    x = 322,796.14

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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.