Home / 1,136,934.76-1,568,974.98-627,641.32

Finding the Fourth Proportional to 1,136,934.76, 1,568,974.98 and 627,641.32

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Solution

The fourth proportional to 1,136,934.76, 1,568,974.98 and 627,641.32 is: 866,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,934.76 : 1,568,974.98 = 627,641.32 : x
  2. Step 2: Convert to fraction form
    1,136,934.76/1,568,974.98 = 627,641.32/x
  3. Step 3: Cross multiply
    1,136,934.76x = 1,568,974.98 × 627,641.32
  4. Step 4: Simplify right side
    1,136,934.76x = 984,753,527,494.17
  5. Step 5: Solve for x
    x = 984,753,527,494.17/1,136,934.76
  6. Step 6: Final answer
    x = 866,147.79

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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.