Home / 654,244.68-981,366.66-205,000.86

Finding the Fourth Proportional to 654,244.68, 981,366.66 and 205,000.86

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Solution

The fourth proportional to 654,244.68, 981,366.66 and 205,000.86 is: 307,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,244.68 : 981,366.66 = 205,000.86 : x
  2. Step 2: Convert to fraction form
    654,244.68/981,366.66 = 205,000.86/x
  3. Step 3: Cross multiply
    654,244.68x = 981,366.66 × 205,000.86
  4. Step 4: Simplify right side
    654,244.68x = 201,181,009,275.33
  5. Step 5: Solve for x
    x = 201,181,009,275.33/654,244.68
  6. Step 6: Final answer
    x = 307,501.18

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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.