Home / 327,928.22-491,892.42-253,157.53

Finding the Fourth Proportional to 327,928.22, 491,892.42 and 253,157.53

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Solution

The fourth proportional to 327,928.22, 491,892.42 and 253,157.53 is: 379,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,928.22 : 491,892.42 = 253,157.53 : x
  2. Step 2: Convert to fraction form
    327,928.22/491,892.42 = 253,157.53/x
  3. Step 3: Cross multiply
    327,928.22x = 491,892.42 × 253,157.53
  4. Step 4: Simplify right side
    327,928.22x = 124,526,270,072.92
  5. Step 5: Solve for x
    x = 124,526,270,072.92/327,928.22
  6. Step 6: Final answer
    x = 379,736.36

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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.