Home / 498,001.76-687,244.60-271,652.12

Finding the Fourth Proportional to 498,001.76, 687,244.60 and 271,652.12

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Solution

The fourth proportional to 498,001.76, 687,244.60 and 271,652.12 is: 374,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,001.76 : 687,244.60 = 271,652.12 : x
  2. Step 2: Convert to fraction form
    498,001.76/687,244.60 = 271,652.12/x
  3. Step 3: Cross multiply
    498,001.76x = 687,244.60 × 271,652.12
  4. Step 4: Simplify right side
    498,001.76x = 186,691,452,548.55
  5. Step 5: Solve for x
    x = 186,691,452,548.55/498,001.76
  6. Step 6: Final answer
    x = 374,881.11

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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.