Home / 705,901.60-1,057,297.20-627,104.80

Finding the Fourth Proportional to 705,901.60, 1,057,297.20 and 627,104.80

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Solution

The fourth proportional to 705,901.60, 1,057,297.20 and 627,104.80 is: 939,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,901.60 : 1,057,297.20 = 627,104.80 : x
  2. Step 2: Convert to fraction form
    705,901.60/1,057,297.20 = 627,104.80/x
  3. Step 3: Cross multiply
    705,901.60x = 1,057,297.20 × 627,104.80
  4. Step 4: Simplify right side
    705,901.60x = 663,036,149,146.56
  5. Step 5: Solve for x
    x = 663,036,149,146.56/705,901.60
  6. Step 6: Final answer
    x = 939,275.60

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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.