Home / 1,136,949.82-1,568,981.12-627,641.26

Finding the Fourth Proportional to 1,136,949.82, 1,568,981.12 and 627,641.26

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Solution

The fourth proportional to 1,136,949.82, 1,568,981.12 and 627,641.26 is: 866,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,949.82 : 1,568,981.12 = 627,641.26 : x
  2. Step 2: Convert to fraction form
    1,136,949.82/1,568,981.12 = 627,641.26/x
  3. Step 3: Cross multiply
    1,136,949.82x = 1,568,981.12 × 627,641.26
  4. Step 4: Simplify right side
    1,136,949.82x = 984,757,287,073.01
  5. Step 5: Solve for x
    x = 984,757,287,073.01/1,136,949.82
  6. Step 6: Final answer
    x = 866,139.62

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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.