Home / 327,925.40-491,888.20-253,154.70

Finding the Fourth Proportional to 327,925.40, 491,888.20 and 253,154.70

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Solution

The fourth proportional to 327,925.40, 491,888.20 and 253,154.70 is: 379,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,925.40 : 491,888.20 = 253,154.70 : x
  2. Step 2: Convert to fraction form
    327,925.40/491,888.20 = 253,154.70/x
  3. Step 3: Cross multiply
    327,925.40x = 491,888.20 × 253,154.70
  4. Step 4: Simplify right side
    327,925.40x = 124,523,809,704.54
  5. Step 5: Solve for x
    x = 124,523,809,704.54/327,925.40
  6. Step 6: Final answer
    x = 379,732.13

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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.