Home / 1,136,726.74-1,568,674.38-627,428.98

Finding the Fourth Proportional to 1,136,726.74, 1,568,674.38 and 627,428.98

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Solution

The fourth proportional to 1,136,726.74, 1,568,674.38 and 627,428.98 is: 865,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,726.74 : 1,568,674.38 = 627,428.98 : x
  2. Step 2: Convert to fraction form
    1,136,726.74/1,568,674.38 = 627,428.98/x
  3. Step 3: Cross multiply
    1,136,726.74x = 1,568,674.38 × 627,428.98
  4. Step 4: Simplify right side
    1,136,726.74x = 984,231,766,195.53
  5. Step 5: Solve for x
    x = 984,231,766,195.53/1,136,726.74
  6. Step 6: Final answer
    x = 865,847.29

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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.