Home / 327,320.46-451,593.63-266,787

Finding the Fourth Proportional to 327,320.46, 451,593.63 and 266,787

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Solution

The fourth proportional to 327,320.46, 451,593.63 and 266,787 is: 368,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,320.46 : 451,593.63 = 266,787 : x
  2. Step 2: Convert to fraction form
    327,320.46/451,593.63 = 266,787/x
  3. Step 3: Cross multiply
    327,320.46x = 451,593.63 × 266,787
  4. Step 4: Simplify right side
    327,320.46x = 120,479,309,766.81
  5. Step 5: Solve for x
    x = 120,479,309,766.81/327,320.46
  6. Step 6: Final answer
    x = 368,077.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.