Home / 551,766.12-827,202.53-172,491.58

Finding the Fourth Proportional to 551,766.12, 827,202.53 and 172,491.58

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Solution

The fourth proportional to 551,766.12, 827,202.53 and 172,491.58 is: 258,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,766.12 : 827,202.53 = 172,491.58 : x
  2. Step 2: Convert to fraction form
    551,766.12/827,202.53 = 172,491.58/x
  3. Step 3: Cross multiply
    551,766.12x = 827,202.53 × 172,491.58
  4. Step 4: Simplify right side
    551,766.12x = 142,685,470,517.24
  5. Step 5: Solve for x
    x = 142,685,470,517.24/551,766.12
  6. Step 6: Final answer
    x = 258,597.74

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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.