Home / 327,958.46-491,937.77-253,187.75

Finding the Fourth Proportional to 327,958.46, 491,937.77 and 253,187.75

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Solution

The fourth proportional to 327,958.46, 491,937.77 and 253,187.75 is: 379,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,958.46 : 491,937.77 = 253,187.75 : x
  2. Step 2: Convert to fraction form
    327,958.46/491,937.77 = 253,187.75/x
  3. Step 3: Cross multiply
    327,958.46x = 491,937.77 × 253,187.75
  4. Step 4: Simplify right side
    327,958.46x = 124,552,615,299.60
  5. Step 5: Solve for x
    x = 124,552,615,299.60/327,958.46
  6. Step 6: Final answer
    x = 379,781.69

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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.