Home / 741,558.27-1,112,337.39-342,080.85

Finding the Fourth Proportional to 741,558.27, 1,112,337.39 and 342,080.85

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Solution

The fourth proportional to 741,558.27, 1,112,337.39 and 342,080.85 is: 513,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,558.27 : 1,112,337.39 = 342,080.85 : x
  2. Step 2: Convert to fraction form
    741,558.27/1,112,337.39 = 342,080.85/x
  3. Step 3: Cross multiply
    741,558.27x = 1,112,337.39 × 342,080.85
  4. Step 4: Simplify right side
    741,558.27x = 380,509,319,857.98
  5. Step 5: Solve for x
    x = 380,509,319,857.98/741,558.27
  6. Step 6: Final answer
    x = 513,121.27

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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.