Home / 498,192.14-687,520.30-283,363.10

Finding the Fourth Proportional to 498,192.14, 687,520.30 and 283,363.10

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Solution

The fourth proportional to 498,192.14, 687,520.30 and 283,363.10 is: 391,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,192.14 : 687,520.30 = 283,363.10 : x
  2. Step 2: Convert to fraction form
    498,192.14/687,520.30 = 283,363.10/x
  3. Step 3: Cross multiply
    498,192.14x = 687,520.30 × 283,363.10
  4. Step 4: Simplify right side
    498,192.14x = 194,817,883,520.93
  5. Step 5: Solve for x
    x = 194,817,883,520.93/498,192.14
  6. Step 6: Final answer
    x = 391,049.69

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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.