Home / 940,517.20-1,408,702.20-816,101.20

Finding the Fourth Proportional to 940,517.20, 1,408,702.20 and 816,101.20

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Solution

The fourth proportional to 940,517.20, 1,408,702.20 and 816,101.20 is: 1,222,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,517.20 : 1,408,702.20 = 816,101.20 : x
  2. Step 2: Convert to fraction form
    940,517.20/1,408,702.20 = 816,101.20/x
  3. Step 3: Cross multiply
    940,517.20x = 1,408,702.20 × 816,101.20
  4. Step 4: Simplify right side
    940,517.20x = 1,149,643,555,862.64
  5. Step 5: Solve for x
    x = 1,149,643,555,862.64/940,517.20
  6. Step 6: Final answer
    x = 1,222,352.51

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Double scale
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Similar ratio
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1.5x scale

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.