Home / 331,058.20-497,624.10-324,837.40

Finding the Fourth Proportional to 331,058.20, 497,624.10 and 324,837.40

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Solution

The fourth proportional to 331,058.20, 497,624.10 and 324,837.40 is: 488,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,058.20 : 497,624.10 = 324,837.40 : x
  2. Step 2: Convert to fraction form
    331,058.20/497,624.10 = 324,837.40/x
  3. Step 3: Cross multiply
    331,058.20x = 497,624.10 × 324,837.40
  4. Step 4: Simplify right side
    331,058.20x = 161,646,918,821.34
  5. Step 5: Solve for x
    x = 161,646,918,821.34/331,058.20
  6. Step 6: Final answer
    x = 488,273.42

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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.