Home / 498,088.46-687,369.78-271,733.96

Finding the Fourth Proportional to 498,088.46, 687,369.78 and 271,733.96

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Solution

The fourth proportional to 498,088.46, 687,369.78 and 271,733.96 is: 374,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,088.46 : 687,369.78 = 271,733.96 : x
  2. Step 2: Convert to fraction form
    498,088.46/687,369.78 = 271,733.96/x
  3. Step 3: Cross multiply
    498,088.46x = 687,369.78 × 271,733.96
  4. Step 4: Simplify right side
    498,088.46x = 186,781,712,303.73
  5. Step 5: Solve for x
    x = 186,781,712,303.73/498,088.46
  6. Step 6: Final answer
    x = 374,997.07

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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.