Home / 413,325.89-570,350.33-231,996.25

Finding the Fourth Proportional to 413,325.89, 570,350.33 and 231,996.25

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Solution

The fourth proportional to 413,325.89, 570,350.33 and 231,996.25 is: 320,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,325.89 : 570,350.33 = 231,996.25 : x
  2. Step 2: Convert to fraction form
    413,325.89/570,350.33 = 231,996.25/x
  3. Step 3: Cross multiply
    413,325.89x = 570,350.33 × 231,996.25
  4. Step 4: Simplify right side
    413,325.89x = 132,319,138,169.21
  5. Step 5: Solve for x
    x = 132,319,138,169.21/413,325.89
  6. Step 6: Final answer
    x = 320,132.71

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Half scale
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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.