Home / 554,229.80-831,344.70-199,255.40

Finding the Fourth Proportional to 554,229.80, 831,344.70 and 199,255.40

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Solution

The fourth proportional to 554,229.80, 831,344.70 and 199,255.40 is: 298,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,229.80 : 831,344.70 = 199,255.40 : x
  2. Step 2: Convert to fraction form
    554,229.80/831,344.70 = 199,255.40/x
  3. Step 3: Cross multiply
    554,229.80x = 831,344.70 × 199,255.40
  4. Step 4: Simplify right side
    554,229.80x = 165,649,920,736.38
  5. Step 5: Solve for x
    x = 165,649,920,736.38/554,229.80
  6. Step 6: Final answer
    x = 298,883.10

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Similar ratio
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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.