Home / 327,926.97-491,890.55-253,156.28

Finding the Fourth Proportional to 327,926.97, 491,890.55 and 253,156.28

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Solution

The fourth proportional to 327,926.97, 491,890.55 and 253,156.28 is: 379,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,926.97 : 491,890.55 = 253,156.28 : x
  2. Step 2: Convert to fraction form
    327,926.97/491,890.55 = 253,156.28/x
  3. Step 3: Cross multiply
    327,926.97x = 491,890.55 × 253,156.28
  4. Step 4: Simplify right side
    327,926.97x = 124,525,178,079.92
  5. Step 5: Solve for x
    x = 124,525,178,079.92/327,926.97
  6. Step 6: Final answer
    x = 379,734.48

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Similar ratio
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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.