Home / 723,408.27-1,085,112.86-183,704.97

Finding the Fourth Proportional to 723,408.27, 1,085,112.86 and 183,704.97

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Solution

The fourth proportional to 723,408.27, 1,085,112.86 and 183,704.97 is: 275,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,408.27 : 1,085,112.86 = 183,704.97 : x
  2. Step 2: Convert to fraction form
    723,408.27/1,085,112.86 = 183,704.97/x
  3. Step 3: Cross multiply
    723,408.27x = 1,085,112.86 × 183,704.97
  4. Step 4: Simplify right side
    723,408.27x = 199,340,625,392.91
  5. Step 5: Solve for x
    x = 199,340,625,392.91/723,408.27
  6. Step 6: Final answer
    x = 275,557.57

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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.