Home / 816,132.40-1,224,198.60-550,711.60

Finding the Fourth Proportional to 816,132.40, 1,224,198.60 and 550,711.60

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Solution

The fourth proportional to 816,132.40, 1,224,198.60 and 550,711.60 is: 826,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,132.40 : 1,224,198.60 = 550,711.60 : x
  2. Step 2: Convert to fraction form
    816,132.40/1,224,198.60 = 550,711.60/x
  3. Step 3: Cross multiply
    816,132.40x = 1,224,198.60 × 550,711.60
  4. Step 4: Simplify right side
    816,132.40x = 674,180,369,723.76
  5. Step 5: Solve for x
    x = 674,180,369,723.76/816,132.40
  6. Step 6: Final answer
    x = 826,067.40

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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.