Home / 681,112.20-1,021,668.30-231,683.70

Finding the Fourth Proportional to 681,112.20, 1,021,668.30 and 231,683.70

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Solution

The fourth proportional to 681,112.20, 1,021,668.30 and 231,683.70 is: 347,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,112.20 : 1,021,668.30 = 231,683.70 : x
  2. Step 2: Convert to fraction form
    681,112.20/1,021,668.30 = 231,683.70/x
  3. Step 3: Cross multiply
    681,112.20x = 1,021,668.30 × 231,683.70
  4. Step 4: Simplify right side
    681,112.20x = 236,703,891,916.71
  5. Step 5: Solve for x
    x = 236,703,891,916.71/681,112.20
  6. Step 6: Final answer
    x = 347,525.55

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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.