Home / 830,843.88-1,246,265.82-199,757.72

Finding the Fourth Proportional to 830,843.88, 1,246,265.82 and 199,757.72

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Solution

The fourth proportional to 830,843.88, 1,246,265.82 and 199,757.72 is: 299,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,843.88 : 1,246,265.82 = 199,757.72 : x
  2. Step 2: Convert to fraction form
    830,843.88/1,246,265.82 = 199,757.72/x
  3. Step 3: Cross multiply
    830,843.88x = 1,246,265.82 × 199,757.72
  4. Step 4: Simplify right side
    830,843.88x = 248,951,218,717.13
  5. Step 5: Solve for x
    x = 248,951,218,717.13/830,843.88
  6. Step 6: Final answer
    x = 299,636.58

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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.