Home / 1,137,008.79-1,569,074.22-627,711.57

Finding the Fourth Proportional to 1,137,008.79, 1,569,074.22 and 627,711.57

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Solution

The fourth proportional to 1,137,008.79, 1,569,074.22 and 627,711.57 is: 866,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,008.79 : 1,569,074.22 = 627,711.57 : x
  2. Step 2: Convert to fraction form
    1,137,008.79/1,569,074.22 = 627,711.57/x
  3. Step 3: Cross multiply
    1,137,008.79x = 1,569,074.22 × 627,711.57
  4. Step 4: Simplify right side
    1,137,008.79x = 984,926,042,082.73
  5. Step 5: Solve for x
    x = 984,926,042,082.73/1,137,008.79
  6. Step 6: Final answer
    x = 866,243.12

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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.