Home / 1,137,175.25-1,569,260.70-627,866.69

Finding the Fourth Proportional to 1,137,175.25, 1,569,260.70 and 627,866.69

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Solution

The fourth proportional to 1,137,175.25, 1,569,260.70 and 627,866.69 is: 866,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,175.25 : 1,569,260.70 = 627,866.69 : x
  2. Step 2: Convert to fraction form
    1,137,175.25/1,569,260.70 = 627,866.69/x
  3. Step 3: Cross multiply
    1,137,175.25x = 1,569,260.70 × 627,866.69
  4. Step 4: Simplify right side
    1,137,175.25x = 985,286,513,609.78
  5. Step 5: Solve for x
    x = 985,286,513,609.78/1,137,175.25
  6. Step 6: Final answer
    x = 866,433.31

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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.