Home / 865,724.57-1,194,818.57-498,194.15

Finding the Fourth Proportional to 865,724.57, 1,194,818.57 and 498,194.15

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Solution

The fourth proportional to 865,724.57, 1,194,818.57 and 498,194.15 is: 687,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,724.57 : 1,194,818.57 = 498,194.15 : x
  2. Step 2: Convert to fraction form
    865,724.57/1,194,818.57 = 498,194.15/x
  3. Step 3: Cross multiply
    865,724.57x = 1,194,818.57 × 498,194.15
  4. Step 4: Simplify right side
    865,724.57x = 595,251,613,420.30
  5. Step 5: Solve for x
    x = 595,251,613,420.30/865,724.57
  6. Step 6: Final answer
    x = 687,576.21

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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.