Home / 551,631.60-827,677.80-177,769.20

Finding the Fourth Proportional to 551,631.60, 827,677.80 and 177,769.20

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Solution

The fourth proportional to 551,631.60, 827,677.80 and 177,769.20 is: 266,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,631.60 : 827,677.80 = 177,769.20 : x
  2. Step 2: Convert to fraction form
    551,631.60/827,677.80 = 177,769.20/x
  3. Step 3: Cross multiply
    551,631.60x = 827,677.80 × 177,769.20
  4. Step 4: Simplify right side
    551,631.60x = 147,135,620,363.76
  5. Step 5: Solve for x
    x = 147,135,620,363.76/551,631.60
  6. Step 6: Final answer
    x = 266,728.05

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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.