Home / 609,743.20-914,614.80-189,061.60

Finding the Fourth Proportional to 609,743.20, 914,614.80 and 189,061.60

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Solution

The fourth proportional to 609,743.20, 914,614.80 and 189,061.60 is: 283,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,743.20 : 914,614.80 = 189,061.60 : x
  2. Step 2: Convert to fraction form
    609,743.20/914,614.80 = 189,061.60/x
  3. Step 3: Cross multiply
    609,743.20x = 914,614.80 × 189,061.60
  4. Step 4: Simplify right side
    609,743.20x = 172,918,537,471.68
  5. Step 5: Solve for x
    x = 172,918,537,471.68/609,743.20
  6. Step 6: Final answer
    x = 283,592.40

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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.