Home / 551,290.80-826,936.20-196,705.20

Finding the Fourth Proportional to 551,290.80, 826,936.20 and 196,705.20

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Solution

The fourth proportional to 551,290.80, 826,936.20 and 196,705.20 is: 295,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,290.80 : 826,936.20 = 196,705.20 : x
  2. Step 2: Convert to fraction form
    551,290.80/826,936.20 = 196,705.20/x
  3. Step 3: Cross multiply
    551,290.80x = 826,936.20 × 196,705.20
  4. Step 4: Simplify right side
    551,290.80x = 162,662,650,608.24
  5. Step 5: Solve for x
    x = 162,662,650,608.24/551,290.80
  6. Step 6: Final answer
    x = 295,057.80

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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.