Home / 749,049.42-1,033,687.98-409,517.64

Finding the Fourth Proportional to 749,049.42, 1,033,687.98 and 409,517.64

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Solution

The fourth proportional to 749,049.42, 1,033,687.98 and 409,517.64 is: 565,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,049.42 : 1,033,687.98 = 409,517.64 : x
  2. Step 2: Convert to fraction form
    749,049.42/1,033,687.98 = 409,517.64/x
  3. Step 3: Cross multiply
    749,049.42x = 1,033,687.98 × 409,517.64
  4. Step 4: Simplify right side
    749,049.42x = 423,313,462,065.97
  5. Step 5: Solve for x
    x = 423,313,462,065.97/749,049.42
  6. Step 6: Final answer
    x = 565,134.22

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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.