Home / 654,111.57-981,167.37-204,867.60

Finding the Fourth Proportional to 654,111.57, 981,167.37 and 204,867.60

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Solution

The fourth proportional to 654,111.57, 981,167.37 and 204,867.60 is: 307,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,111.57 : 981,167.37 = 204,867.60 : x
  2. Step 2: Convert to fraction form
    654,111.57/981,167.37 = 204,867.60/x
  3. Step 3: Cross multiply
    654,111.57x = 981,167.37 × 204,867.60
  4. Step 4: Simplify right side
    654,111.57x = 201,009,404,290.21
  5. Step 5: Solve for x
    x = 201,009,404,290.21/654,111.57
  6. Step 6: Final answer
    x = 307,301.40

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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.