Home / 624,229.35-861,344.14-379,086.63

Finding the Fourth Proportional to 624,229.35, 861,344.14 and 379,086.63

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Solution

The fourth proportional to 624,229.35, 861,344.14 and 379,086.63 is: 523,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,229.35 : 861,344.14 = 379,086.63 : x
  2. Step 2: Convert to fraction form
    624,229.35/861,344.14 = 379,086.63/x
  3. Step 3: Cross multiply
    624,229.35x = 861,344.14 × 379,086.63
  4. Step 4: Simplify right side
    624,229.35x = 326,524,047,302.85
  5. Step 5: Solve for x
    x = 326,524,047,302.85/624,229.35
  6. Step 6: Final answer
    x = 523,083.46

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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.