Home / 798,986.88-1,198,016.64-378,259.20

Finding the Fourth Proportional to 798,986.88, 1,198,016.64 and 378,259.20

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Solution

The fourth proportional to 798,986.88, 1,198,016.64 and 378,259.20 is: 567,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,986.88 : 1,198,016.64 = 378,259.20 : x
  2. Step 2: Convert to fraction form
    798,986.88/1,198,016.64 = 378,259.20/x
  3. Step 3: Cross multiply
    798,986.88x = 1,198,016.64 × 378,259.20
  4. Step 4: Simplify right side
    798,986.88x = 453,160,815,833.09
  5. Step 5: Solve for x
    x = 453,160,815,833.09/798,986.88
  6. Step 6: Final answer
    x = 567,169.28

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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.