Home / 681,131.80-1,021,697.70-574,843.60

Finding the Fourth Proportional to 681,131.80, 1,021,697.70 and 574,843.60

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Solution

The fourth proportional to 681,131.80, 1,021,697.70 and 574,843.60 is: 862,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,131.80 : 1,021,697.70 = 574,843.60 : x
  2. Step 2: Convert to fraction form
    681,131.80/1,021,697.70 = 574,843.60/x
  3. Step 3: Cross multiply
    681,131.80x = 1,021,697.70 × 574,843.60
  4. Step 4: Simplify right side
    681,131.80x = 587,316,383,979.72
  5. Step 5: Solve for x
    x = 587,316,383,979.72/681,131.80
  6. Step 6: Final answer
    x = 862,265.40

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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.