Home / 861,532.35-1,189,026.11-494,152.80

Finding the Fourth Proportional to 861,532.35, 1,189,026.11 and 494,152.80

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Solution

The fourth proportional to 861,532.35, 1,189,026.11 and 494,152.80 is: 681,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,532.35 : 1,189,026.11 = 494,152.80 : x
  2. Step 2: Convert to fraction form
    861,532.35/1,189,026.11 = 494,152.80/x
  3. Step 3: Cross multiply
    861,532.35x = 1,189,026.11 × 494,152.80
  4. Step 4: Simplify right side
    861,532.35x = 587,560,583,604.61
  5. Step 5: Solve for x
    x = 587,560,583,604.61/861,532.35
  6. Step 6: Final answer
    x = 681,994.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.