Home / 424,844.78-586,217.19-243,523.34

Finding the Fourth Proportional to 424,844.78, 586,217.19 and 243,523.34

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Solution

The fourth proportional to 424,844.78, 586,217.19 and 243,523.34 is: 336,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,844.78 : 586,217.19 = 243,523.34 : x
  2. Step 2: Convert to fraction form
    424,844.78/586,217.19 = 243,523.34/x
  3. Step 3: Cross multiply
    424,844.78x = 586,217.19 × 243,523.34
  4. Step 4: Simplify right side
    424,844.78x = 142,757,568,074.22
  5. Step 5: Solve for x
    x = 142,757,568,074.22/424,844.78
  6. Step 6: Final answer
    x = 336,022.88

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.