Home / 307,748.10-461,233.35-274,311.30

Finding the Fourth Proportional to 307,748.10, 461,233.35 and 274,311.30

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Solution

The fourth proportional to 307,748.10, 461,233.35 and 274,311.30 is: 411,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,748.10 : 461,233.35 = 274,311.30 : x
  2. Step 2: Convert to fraction form
    307,748.10/461,233.35 = 274,311.30/x
  3. Step 3: Cross multiply
    307,748.10x = 461,233.35 × 274,311.30
  4. Step 4: Simplify right side
    307,748.10x = 126,521,519,841.86
  5. Step 5: Solve for x
    x = 126,521,519,841.86/307,748.10
  6. Step 6: Final answer
    x = 411,120.39

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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.