Home / 694,399.92-1,039,901.28-627,084.06

Finding the Fourth Proportional to 694,399.92, 1,039,901.28 and 627,084.06

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Solution

The fourth proportional to 694,399.92, 1,039,901.28 and 627,084.06 is: 939,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,399.92 : 1,039,901.28 = 627,084.06 : x
  2. Step 2: Convert to fraction form
    694,399.92/1,039,901.28 = 627,084.06/x
  3. Step 3: Cross multiply
    694,399.92x = 1,039,901.28 × 627,084.06
  4. Step 4: Simplify right side
    694,399.92x = 652,105,516,661.60
  5. Step 5: Solve for x
    x = 652,105,516,661.60/694,399.92
  6. Step 6: Final answer
    x = 939,092.15

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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.