Home / 331,726.20-497,589.30-82,408.20

Finding the Fourth Proportional to 331,726.20, 497,589.30 and 82,408.20

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Solution

The fourth proportional to 331,726.20, 497,589.30 and 82,408.20 is: 123,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,726.20 : 497,589.30 = 82,408.20 : x
  2. Step 2: Convert to fraction form
    331,726.20/497,589.30 = 82,408.20/x
  3. Step 3: Cross multiply
    331,726.20x = 497,589.30 × 82,408.20
  4. Step 4: Simplify right side
    331,726.20x = 41,005,438,552.26
  5. Step 5: Solve for x
    x = 41,005,438,552.26/331,726.20
  6. Step 6: Final answer
    x = 123,612.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.