Home / 498,201.24-687,534.30-271,859.16

Finding the Fourth Proportional to 498,201.24, 687,534.30 and 271,859.16

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Solution

The fourth proportional to 498,201.24, 687,534.30 and 271,859.16 is: 375,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,201.24 : 687,534.30 = 271,859.16 : x
  2. Step 2: Convert to fraction form
    498,201.24/687,534.30 = 271,859.16/x
  3. Step 3: Cross multiply
    498,201.24x = 687,534.30 × 271,859.16
  4. Step 4: Simplify right side
    498,201.24x = 186,912,497,269.19
  5. Step 5: Solve for x
    x = 186,912,497,269.19/498,201.24
  6. Step 6: Final answer
    x = 375,174.69

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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.