Home / 551,329.38-827,015.94-172,504.62

Finding the Fourth Proportional to 551,329.38, 827,015.94 and 172,504.62

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Solution

The fourth proportional to 551,329.38, 827,015.94 and 172,504.62 is: 258,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,329.38 : 827,015.94 = 172,504.62 : x
  2. Step 2: Convert to fraction form
    551,329.38/827,015.94 = 172,504.62/x
  3. Step 3: Cross multiply
    551,329.38x = 827,015.94 × 172,504.62
  4. Step 4: Simplify right side
    551,329.38x = 142,664,070,463.64
  5. Step 5: Solve for x
    x = 142,664,070,463.64/551,329.38
  6. Step 6: Final answer
    x = 258,763.77

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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.