Home / 798,976.40-1,198,464.60-379,072.40

Finding the Fourth Proportional to 798,976.40, 1,198,464.60 and 379,072.40

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Solution

The fourth proportional to 798,976.40, 1,198,464.60 and 379,072.40 is: 568,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,976.40 : 1,198,464.60 = 379,072.40 : x
  2. Step 2: Convert to fraction form
    798,976.40/1,198,464.60 = 379,072.40/x
  3. Step 3: Cross multiply
    798,976.40x = 1,198,464.60 × 379,072.40
  4. Step 4: Simplify right side
    798,976.40x = 454,304,852,237.04
  5. Step 5: Solve for x
    x = 454,304,852,237.04/798,976.40
  6. Step 6: Final answer
    x = 568,608.60

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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.