Home / 654,321.97-981,481.46-205,077.07

Finding the Fourth Proportional to 654,321.97, 981,481.46 and 205,077.07

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Solution

The fourth proportional to 654,321.97, 981,481.46 and 205,077.07 is: 307,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,321.97 : 981,481.46 = 205,077.07 : x
  2. Step 2: Convert to fraction form
    654,321.97/981,481.46 = 205,077.07/x
  3. Step 3: Cross multiply
    654,321.97x = 981,481.46 × 205,077.07
  4. Step 4: Simplify right side
    654,321.97x = 201,279,336,143.33
  5. Step 5: Solve for x
    x = 201,279,336,143.33/654,321.97
  6. Step 6: Final answer
    x = 307,615.13

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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.