Home / 1,399,127.44-2,098,456.44-388,352.20

Finding the Fourth Proportional to 1,399,127.44, 2,098,456.44 and 388,352.20

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Solution

The fourth proportional to 1,399,127.44, 2,098,456.44 and 388,352.20 is: 582,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,127.44 : 2,098,456.44 = 388,352.20 : x
  2. Step 2: Convert to fraction form
    1,399,127.44/2,098,456.44 = 388,352.20/x
  3. Step 3: Cross multiply
    1,399,127.44x = 2,098,456.44 × 388,352.20
  4. Step 4: Simplify right side
    1,399,127.44x = 814,940,175,078.17
  5. Step 5: Solve for x
    x = 814,940,175,078.17/1,399,127.44
  6. Step 6: Final answer
    x = 582,463.15

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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.