Home / 624,231.76-861,347.47-379,089.04

Finding the Fourth Proportional to 624,231.76, 861,347.47 and 379,089.04

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Solution

The fourth proportional to 624,231.76, 861,347.47 and 379,089.04 is: 523,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,231.76 : 861,347.47 = 379,089.04 : x
  2. Step 2: Convert to fraction form
    624,231.76/861,347.47 = 379,089.04/x
  3. Step 3: Cross multiply
    624,231.76x = 861,347.47 × 379,089.04
  4. Step 4: Simplify right side
    624,231.76x = 326,527,385,508.73
  5. Step 5: Solve for x
    x = 326,527,385,508.73/624,231.76
  6. Step 6: Final answer
    x = 523,086.79

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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.