Home / 382,003.20-527,001.12-238,665.60

Finding the Fourth Proportional to 382,003.20, 527,001.12 and 238,665.60

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Solution

The fourth proportional to 382,003.20, 527,001.12 and 238,665.60 is: 329,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,003.20 : 527,001.12 = 238,665.60 : x
  2. Step 2: Convert to fraction form
    382,003.20/527,001.12 = 238,665.60/x
  3. Step 3: Cross multiply
    382,003.20x = 527,001.12 × 238,665.60
  4. Step 4: Simplify right side
    382,003.20x = 125,777,038,505.47
  5. Step 5: Solve for x
    x = 125,777,038,505.47/382,003.20
  6. Step 6: Final answer
    x = 329,256.50

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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.