Home / 693,431.90-1,040,147.85-567,460.70

Finding the Fourth Proportional to 693,431.90, 1,040,147.85 and 567,460.70

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Solution

The fourth proportional to 693,431.90, 1,040,147.85 and 567,460.70 is: 851,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,431.90 : 1,040,147.85 = 567,460.70 : x
  2. Step 2: Convert to fraction form
    693,431.90/1,040,147.85 = 567,460.70/x
  3. Step 3: Cross multiply
    693,431.90x = 1,040,147.85 × 567,460.70
  4. Step 4: Simplify right side
    693,431.90x = 590,243,027,064.50
  5. Step 5: Solve for x
    x = 590,243,027,064.50/693,431.90
  6. Step 6: Final answer
    x = 851,191.05

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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.