Home / 395,726.72-593,717.18-129,426.66

Finding the Fourth Proportional to 395,726.72, 593,717.18 and 129,426.66

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Solution

The fourth proportional to 395,726.72, 593,717.18 and 129,426.66 is: 194,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,726.72 : 593,717.18 = 129,426.66 : x
  2. Step 2: Convert to fraction form
    395,726.72/593,717.18 = 129,426.66/x
  3. Step 3: Cross multiply
    395,726.72x = 593,717.18 × 129,426.66
  4. Step 4: Simplify right side
    395,726.72x = 76,842,830,944.89
  5. Step 5: Solve for x
    x = 76,842,830,944.89/395,726.72
  6. Step 6: Final answer
    x = 194,181.56

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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.