Home / 741,406.75-1,023,077.71-431,366.69

Finding the Fourth Proportional to 741,406.75, 1,023,077.71 and 431,366.69

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Solution

The fourth proportional to 741,406.75, 1,023,077.71 and 431,366.69 is: 595,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,406.75 : 1,023,077.71 = 431,366.69 : x
  2. Step 2: Convert to fraction form
    741,406.75/1,023,077.71 = 431,366.69/x
  3. Step 3: Cross multiply
    741,406.75x = 1,023,077.71 × 431,366.69
  4. Step 4: Simplify right side
    741,406.75x = 441,321,645,375.48
  5. Step 5: Solve for x
    x = 441,321,645,375.48/741,406.75
  6. Step 6: Final answer
    x = 595,249.03

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Double scale
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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.