Home / 956,191.28-1,436,734.94-721,742

Finding the Fourth Proportional to 956,191.28, 1,436,734.94 and 721,742

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Solution

The fourth proportional to 956,191.28, 1,436,734.94 and 721,742 is: 1,084,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,191.28 : 1,436,734.94 = 721,742 : x
  2. Step 2: Convert to fraction form
    956,191.28/1,436,734.94 = 721,742/x
  3. Step 3: Cross multiply
    956,191.28x = 1,436,734.94 × 721,742
  4. Step 4: Simplify right side
    956,191.28x = 1,036,951,949,065.48
  5. Step 5: Solve for x
    x = 1,036,951,949,065.48/956,191.28
  6. Step 6: Final answer
    x = 1,084,460.79

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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.