Home / 741,608.38-1,112,414.37-209,132.20

Finding the Fourth Proportional to 741,608.38, 1,112,414.37 and 209,132.20

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Solution

The fourth proportional to 741,608.38, 1,112,414.37 and 209,132.20 is: 313,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,608.38 : 1,112,414.37 = 209,132.20 : x
  2. Step 2: Convert to fraction form
    741,608.38/1,112,414.37 = 209,132.20/x
  3. Step 3: Cross multiply
    741,608.38x = 1,112,414.37 × 209,132.20
  4. Step 4: Simplify right side
    741,608.38x = 232,641,664,509.71
  5. Step 5: Solve for x
    x = 232,641,664,509.71/741,608.38
  6. Step 6: Final answer
    x = 313,698.81

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Double scale
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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.