Home / 1,413,990.38-1,951,290.31-769,399.47

Finding the Fourth Proportional to 1,413,990.38, 1,951,290.31 and 769,399.47

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Solution

The fourth proportional to 1,413,990.38, 1,951,290.31 and 769,399.47 is: 1,061,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,990.38 : 1,951,290.31 = 769,399.47 : x
  2. Step 2: Convert to fraction form
    1,413,990.38/1,951,290.31 = 769,399.47/x
  3. Step 3: Cross multiply
    1,413,990.38x = 1,951,290.31 × 769,399.47
  4. Step 4: Simplify right side
    1,413,990.38x = 1,501,321,730,330.14
  5. Step 5: Solve for x
    x = 1,501,321,730,330.14/1,413,990.38
  6. Step 6: Final answer
    x = 1,061,762.34

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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.