Home / 498,279.13-687,625.01-271,924.63

Finding the Fourth Proportional to 498,279.13, 687,625.01 and 271,924.63

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Solution

The fourth proportional to 498,279.13, 687,625.01 and 271,924.63 is: 375,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,279.13 : 687,625.01 = 271,924.63 : x
  2. Step 2: Convert to fraction form
    498,279.13/687,625.01 = 271,924.63/x
  3. Step 3: Cross multiply
    498,279.13x = 687,625.01 × 271,924.63
  4. Step 4: Simplify right side
    498,279.13x = 186,982,176,423.00
  5. Step 5: Solve for x
    x = 186,982,176,423.00/498,279.13
  6. Step 6: Final answer
    x = 375,255.89

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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.