Home / 327,780.52-491,788.62-114,579.64

Finding the Fourth Proportional to 327,780.52, 491,788.62 and 114,579.64

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Solution

The fourth proportional to 327,780.52, 491,788.62 and 114,579.64 is: 171,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,780.52 : 491,788.62 = 114,579.64 : x
  2. Step 2: Convert to fraction form
    327,780.52/491,788.62 = 114,579.64/x
  3. Step 3: Cross multiply
    327,780.52x = 491,788.62 × 114,579.64
  4. Step 4: Simplify right side
    327,780.52x = 56,348,963,035.70
  5. Step 5: Solve for x
    x = 56,348,963,035.70/327,780.52
  6. Step 6: Final answer
    x = 171,910.65

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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.