Home / 654,122.89-981,184.34-204,878.92

Finding the Fourth Proportional to 654,122.89, 981,184.34 and 204,878.92

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Solution

The fourth proportional to 654,122.89, 981,184.34 and 204,878.92 is: 307,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,122.89 : 981,184.34 = 204,878.92 : x
  2. Step 2: Convert to fraction form
    654,122.89/981,184.34 = 204,878.92/x
  3. Step 3: Cross multiply
    654,122.89x = 981,184.34 × 204,878.92
  4. Step 4: Simplify right side
    654,122.89x = 201,023,986,646.63
  5. Step 5: Solve for x
    x = 201,023,986,646.63/654,122.89
  6. Step 6: Final answer
    x = 307,318.38

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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.