Home / 741,486.30-1,023,187.39-431,446.25

Finding the Fourth Proportional to 741,486.30, 1,023,187.39 and 431,446.25

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Solution

The fourth proportional to 741,486.30, 1,023,187.39 and 431,446.25 is: 595,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,486.30 : 1,023,187.39 = 431,446.25 : x
  2. Step 2: Convert to fraction form
    741,486.30/1,023,187.39 = 431,446.25/x
  3. Step 3: Cross multiply
    741,486.30x = 1,023,187.39 × 431,446.25
  4. Step 4: Simplify right side
    741,486.30x = 441,450,360,613.60
  5. Step 5: Solve for x
    x = 441,450,360,613.60/741,486.30
  6. Step 6: Final answer
    x = 595,358.75

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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.