Home / 1,136,969.62-1,568,976.96-627,661.06

Finding the Fourth Proportional to 1,136,969.62, 1,568,976.96 and 627,661.06

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Solution

The fourth proportional to 1,136,969.62, 1,568,976.96 and 627,661.06 is: 866,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,969.62 : 1,568,976.96 = 627,661.06 : x
  2. Step 2: Convert to fraction form
    1,136,969.62/1,568,976.96 = 627,661.06/x
  3. Step 3: Cross multiply
    1,136,969.62x = 1,568,976.96 × 627,661.06
  4. Step 4: Simplify right side
    1,136,969.62x = 984,785,741,829.18
  5. Step 5: Solve for x
    x = 984,785,741,829.18/1,136,969.62
  6. Step 6: Final answer
    x = 866,149.57

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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.