Home / 712,449.44-1,067,290.64-636,737.12

Finding the Fourth Proportional to 712,449.44, 1,067,290.64 and 636,737.12

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Solution

The fourth proportional to 712,449.44, 1,067,290.64 and 636,737.12 is: 953,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,449.44 : 1,067,290.64 = 636,737.12 : x
  2. Step 2: Convert to fraction form
    712,449.44/1,067,290.64 = 636,737.12/x
  3. Step 3: Cross multiply
    712,449.44x = 1,067,290.64 × 636,737.12
  4. Step 4: Simplify right side
    712,449.44x = 679,583,568,316.56
  5. Step 5: Solve for x
    x = 679,583,568,316.56/712,449.44
  6. Step 6: Final answer
    x = 953,869.19

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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.