Home / 951,661.17-1,427,865.38-418,808.42

Finding the Fourth Proportional to 951,661.17, 1,427,865.38 and 418,808.42

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Solution

The fourth proportional to 951,661.17, 1,427,865.38 and 418,808.42 is: 628,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,661.17 : 1,427,865.38 = 418,808.42 : x
  2. Step 2: Convert to fraction form
    951,661.17/1,427,865.38 = 418,808.42/x
  3. Step 3: Cross multiply
    951,661.17x = 1,427,865.38 × 418,808.42
  4. Step 4: Simplify right side
    951,661.17x = 598,002,034,537.13
  5. Step 5: Solve for x
    x = 598,002,034,537.13/951,661.17
  6. Step 6: Final answer
    x = 628,377.05

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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.