Home / 865,704.60-1,298,556.90-567,106.20

Finding the Fourth Proportional to 865,704.60, 1,298,556.90 and 567,106.20

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Solution

The fourth proportional to 865,704.60, 1,298,556.90 and 567,106.20 is: 850,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,704.60 : 1,298,556.90 = 567,106.20 : x
  2. Step 2: Convert to fraction form
    865,704.60/1,298,556.90 = 567,106.20/x
  3. Step 3: Cross multiply
    865,704.60x = 1,298,556.90 × 567,106.20
  4. Step 4: Simplify right side
    865,704.60x = 736,419,669,042.78
  5. Step 5: Solve for x
    x = 736,419,669,042.78/865,704.60
  6. Step 6: Final answer
    x = 850,659.30

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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.