Home / 1,137,028.56-1,569,089.76-627,720

Finding the Fourth Proportional to 1,137,028.56, 1,569,089.76 and 627,720

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Solution

The fourth proportional to 1,137,028.56, 1,569,089.76 and 627,720 is: 866,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,028.56 : 1,569,089.76 = 627,720 : x
  2. Step 2: Convert to fraction form
    1,137,028.56/1,569,089.76 = 627,720/x
  3. Step 3: Cross multiply
    1,137,028.56x = 1,569,089.76 × 627,720
  4. Step 4: Simplify right side
    1,137,028.56x = 984,949,024,147.20
  5. Step 5: Solve for x
    x = 984,949,024,147.20/1,137,028.56
  6. Step 6: Final answer
    x = 866,248.27

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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.