Home / 1,143,382.70-1,577,857.39-627,126.03

Finding the Fourth Proportional to 1,143,382.70, 1,577,857.39 and 627,126.03

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Solution

The fourth proportional to 1,143,382.70, 1,577,857.39 and 627,126.03 is: 865,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,382.70 : 1,577,857.39 = 627,126.03 : x
  2. Step 2: Convert to fraction form
    1,143,382.70/1,577,857.39 = 627,126.03/x
  3. Step 3: Cross multiply
    1,143,382.70x = 1,577,857.39 × 627,126.03
  4. Step 4: Simplify right side
    1,143,382.70x = 989,515,439,329.05
  5. Step 5: Solve for x
    x = 989,515,439,329.05/1,143,382.70
  6. Step 6: Final answer
    x = 865,428.03

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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.