Home / 1,414,431.21-1,951,923.20-769,849.89

Finding the Fourth Proportional to 1,414,431.21, 1,951,923.20 and 769,849.89

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Solution

The fourth proportional to 1,414,431.21, 1,951,923.20 and 769,849.89 is: 1,062,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,431.21 : 1,951,923.20 = 769,849.89 : x
  2. Step 2: Convert to fraction form
    1,414,431.21/1,951,923.20 = 769,849.89/x
  3. Step 3: Cross multiply
    1,414,431.21x = 1,951,923.20 × 769,849.89
  4. Step 4: Simplify right side
    1,414,431.21x = 1,502,687,856,959.20
  5. Step 5: Solve for x
    x = 1,502,687,856,959.20/1,414,431.21
  6. Step 6: Final answer
    x = 1,062,397.27

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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.