Home / 712,524.40-1,068,786.60-180,046.96

Finding the Fourth Proportional to 712,524.40, 1,068,786.60 and 180,046.96

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Solution

The fourth proportional to 712,524.40, 1,068,786.60 and 180,046.96 is: 270,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,524.40 : 1,068,786.60 = 180,046.96 : x
  2. Step 2: Convert to fraction form
    712,524.40/1,068,786.60 = 180,046.96/x
  3. Step 3: Cross multiply
    712,524.40x = 1,068,786.60 × 180,046.96
  4. Step 4: Simplify right side
    712,524.40x = 192,431,778,218.74
  5. Step 5: Solve for x
    x = 192,431,778,218.74/712,524.40
  6. Step 6: Final answer
    x = 270,070.44

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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.