Home / 741,704.20-1,112,556.30-368,456.20

Finding the Fourth Proportional to 741,704.20, 1,112,556.30 and 368,456.20

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Solution

The fourth proportional to 741,704.20, 1,112,556.30 and 368,456.20 is: 552,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,704.20 : 1,112,556.30 = 368,456.20 : x
  2. Step 2: Convert to fraction form
    741,704.20/1,112,556.30 = 368,456.20/x
  3. Step 3: Cross multiply
    741,704.20x = 1,112,556.30 × 368,456.20
  4. Step 4: Simplify right side
    741,704.20x = 409,928,266,584.06
  5. Step 5: Solve for x
    x = 409,928,266,584.06/741,704.20
  6. Step 6: Final answer
    x = 552,684.30

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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.