Home / 438,819.43-605,570.82-237,615.43

Finding the Fourth Proportional to 438,819.43, 605,570.82 and 237,615.43

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Solution

The fourth proportional to 438,819.43, 605,570.82 and 237,615.43 is: 327,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,819.43 : 605,570.82 = 237,615.43 : x
  2. Step 2: Convert to fraction form
    438,819.43/605,570.82 = 237,615.43/x
  3. Step 3: Cross multiply
    438,819.43x = 605,570.82 × 237,615.43
  4. Step 4: Simplify right side
    438,819.43x = 143,892,970,789.75
  5. Step 5: Solve for x
    x = 143,892,970,789.75/438,819.43
  6. Step 6: Final answer
    x = 327,909.30

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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.