Home / 498,198.24-687,530.16-271,856.16

Finding the Fourth Proportional to 498,198.24, 687,530.16 and 271,856.16

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Solution

The fourth proportional to 498,198.24, 687,530.16 and 271,856.16 is: 375,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,198.24 : 687,530.16 = 271,856.16 : x
  2. Step 2: Convert to fraction form
    498,198.24/687,530.16 = 271,856.16/x
  3. Step 3: Cross multiply
    498,198.24x = 687,530.16 × 271,856.16
  4. Step 4: Simplify right side
    498,198.24x = 186,909,309,181.79
  5. Step 5: Solve for x
    x = 186,909,309,181.79/498,198.24
  6. Step 6: Final answer
    x = 375,170.55

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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.