Home / 839,650.17-1,259,550.78-271,044.75

Finding the Fourth Proportional to 839,650.17, 1,259,550.78 and 271,044.75

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Solution

The fourth proportional to 839,650.17, 1,259,550.78 and 271,044.75 is: 406,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,650.17 : 1,259,550.78 = 271,044.75 : x
  2. Step 2: Convert to fraction form
    839,650.17/1,259,550.78 = 271,044.75/x
  3. Step 3: Cross multiply
    839,650.17x = 1,259,550.78 × 271,044.75
  4. Step 4: Simplify right side
    839,650.17x = 341,394,626,277.41
  5. Step 5: Solve for x
    x = 341,394,626,277.41/839,650.17
  6. Step 6: Final answer
    x = 406,591.50

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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.