Home / 1,002,115.99-1,382,921.92-543,229.15

Finding the Fourth Proportional to 1,002,115.99, 1,382,921.92 and 543,229.15

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Solution

The fourth proportional to 1,002,115.99, 1,382,921.92 and 543,229.15 is: 749,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,115.99 : 1,382,921.92 = 543,229.15 : x
  2. Step 2: Convert to fraction form
    1,002,115.99/1,382,921.92 = 543,229.15/x
  3. Step 3: Cross multiply
    1,002,115.99x = 1,382,921.92 × 543,229.15
  4. Step 4: Simplify right side
    1,002,115.99x = 751,243,499,117.97
  5. Step 5: Solve for x
    x = 751,243,499,117.97/1,002,115.99
  6. Step 6: Final answer
    x = 749,657.23

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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.