Home / 743,921.80-1,115,882.70-182,956.30

Finding the Fourth Proportional to 743,921.80, 1,115,882.70 and 182,956.30

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Solution

The fourth proportional to 743,921.80, 1,115,882.70 and 182,956.30 is: 274,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,921.80 : 1,115,882.70 = 182,956.30 : x
  2. Step 2: Convert to fraction form
    743,921.80/1,115,882.70 = 182,956.30/x
  3. Step 3: Cross multiply
    743,921.80x = 1,115,882.70 × 182,956.30
  4. Step 4: Simplify right side
    743,921.80x = 204,157,770,026.01
  5. Step 5: Solve for x
    x = 204,157,770,026.01/743,921.80
  6. Step 6: Final answer
    x = 274,434.45

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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.