Home / 741,279.57-1,022,874.39-526,341.21

Finding the Fourth Proportional to 741,279.57, 1,022,874.39 and 526,341.21

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Solution

The fourth proportional to 741,279.57, 1,022,874.39 and 526,341.21 is: 726,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,279.57 : 1,022,874.39 = 526,341.21 : x
  2. Step 2: Convert to fraction form
    741,279.57/1,022,874.39 = 526,341.21/x
  3. Step 3: Cross multiply
    741,279.57x = 1,022,874.39 × 526,341.21
  4. Step 4: Simplify right side
    741,279.57x = 538,380,944,110.61
  5. Step 5: Solve for x
    x = 538,380,944,110.61/741,279.57
  6. Step 6: Final answer
    x = 726,285.96

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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.