Home / 741,610.38-1,112,417.38-209,134.20

Finding the Fourth Proportional to 741,610.38, 1,112,417.38 and 209,134.20

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Solution

The fourth proportional to 741,610.38, 1,112,417.38 and 209,134.20 is: 313,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,610.38 : 1,112,417.38 = 209,134.20 : x
  2. Step 2: Convert to fraction form
    741,610.38/1,112,417.38 = 209,134.20/x
  3. Step 3: Cross multiply
    741,610.38x = 1,112,417.38 × 209,134.20
  4. Step 4: Simplify right side
    741,610.38x = 232,644,518,832.40
  5. Step 5: Solve for x
    x = 232,644,518,832.40/741,610.38
  6. Step 6: Final answer
    x = 313,701.81

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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.