Home / 694,428.48-1,039,943.97-627,112.62

Finding the Fourth Proportional to 694,428.48, 1,039,943.97 and 627,112.62

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Solution

The fourth proportional to 694,428.48, 1,039,943.97 and 627,112.62 is: 939,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,428.48 : 1,039,943.97 = 627,112.62 : x
  2. Step 2: Convert to fraction form
    694,428.48/1,039,943.97 = 627,112.62/x
  3. Step 3: Cross multiply
    694,428.48x = 1,039,943.97 × 627,112.62
  4. Step 4: Simplify right side
    694,428.48x = 652,161,987,679.90
  5. Step 5: Solve for x
    x = 652,161,987,679.90/694,428.48
  6. Step 6: Final answer
    x = 939,134.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.