Home / 859,020.39-1,288,528.97-227,884.59

Finding the Fourth Proportional to 859,020.39, 1,288,528.97 and 227,884.59

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Solution

The fourth proportional to 859,020.39, 1,288,528.97 and 227,884.59 is: 341,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,020.39 : 1,288,528.97 = 227,884.59 : x
  2. Step 2: Convert to fraction form
    859,020.39/1,288,528.97 = 227,884.59/x
  3. Step 3: Cross multiply
    859,020.39x = 1,288,528.97 × 227,884.59
  4. Step 4: Simplify right side
    859,020.39x = 293,635,894,892.15
  5. Step 5: Solve for x
    x = 293,635,894,892.15/859,020.39
  6. Step 6: Final answer
    x = 341,826.46

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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.