Home / 563,531.91-777,753.78-348,741.15

Finding the Fourth Proportional to 563,531.91, 777,753.78 and 348,741.15

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Solution

The fourth proportional to 563,531.91, 777,753.78 and 348,741.15 is: 481,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,531.91 : 777,753.78 = 348,741.15 : x
  2. Step 2: Convert to fraction form
    563,531.91/777,753.78 = 348,741.15/x
  3. Step 3: Cross multiply
    563,531.91x = 777,753.78 × 348,741.15
  4. Step 4: Simplify right side
    563,531.91x = 271,234,747,654.05
  5. Step 5: Solve for x
    x = 271,234,747,654.05/563,531.91
  6. Step 6: Final answer
    x = 481,312.14

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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.