Home / 624,252.22-861,150.68-379,171.76

Finding the Fourth Proportional to 624,252.22, 861,150.68 and 379,171.76

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Solution

The fourth proportional to 624,252.22, 861,150.68 and 379,171.76 is: 523,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,252.22 : 861,150.68 = 379,171.76 : x
  2. Step 2: Convert to fraction form
    624,252.22/861,150.68 = 379,171.76/x
  3. Step 3: Cross multiply
    624,252.22x = 861,150.68 × 379,171.76
  4. Step 4: Simplify right side
    624,252.22x = 326,524,018,960.80
  5. Step 5: Solve for x
    x = 326,524,018,960.80/624,252.22
  6. Step 6: Final answer
    x = 523,064.25

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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.