Home / 1,137,146.49-1,569,273.89-627,847.65

Finding the Fourth Proportional to 1,137,146.49, 1,569,273.89 and 627,847.65

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Solution

The fourth proportional to 1,137,146.49, 1,569,273.89 and 627,847.65 is: 866,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,146.49 : 1,569,273.89 = 627,847.65 : x
  2. Step 2: Convert to fraction form
    1,137,146.49/1,569,273.89 = 627,847.65/x
  3. Step 3: Cross multiply
    1,137,146.49x = 1,569,273.89 × 627,847.65
  4. Step 4: Simplify right side
    1,137,146.49x = 985,264,920,903.62
  5. Step 5: Solve for x
    x = 985,264,920,903.62/1,137,146.49
  6. Step 6: Final answer
    x = 866,436.23

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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.