Home / 396,077.24-546,586.73-214,789.11

Finding the Fourth Proportional to 396,077.24, 546,586.73 and 214,789.11

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Solution

The fourth proportional to 396,077.24, 546,586.73 and 214,789.11 is: 296,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,077.24 : 546,586.73 = 214,789.11 : x
  2. Step 2: Convert to fraction form
    396,077.24/546,586.73 = 214,789.11/x
  3. Step 3: Cross multiply
    396,077.24x = 546,586.73 × 214,789.11
  4. Step 4: Simplify right side
    396,077.24x = 117,400,876,200.57
  5. Step 5: Solve for x
    x = 117,400,876,200.57/396,077.24
  6. Step 6: Final answer
    x = 296,409.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.