Home / 830,839.88-1,246,259.82-199,753.70

Finding the Fourth Proportional to 830,839.88, 1,246,259.82 and 199,753.70

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Solution

The fourth proportional to 830,839.88, 1,246,259.82 and 199,753.70 is: 299,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,839.88 : 1,246,259.82 = 199,753.70 : x
  2. Step 2: Convert to fraction form
    830,839.88/1,246,259.82 = 199,753.70/x
  3. Step 3: Cross multiply
    830,839.88x = 1,246,259.82 × 199,753.70
  4. Step 4: Simplify right side
    830,839.88x = 248,945,010,206.33
  5. Step 5: Solve for x
    x = 248,945,010,206.33/830,839.88
  6. Step 6: Final answer
    x = 299,630.55

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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.