Home / 377,853.56-521,428.46-214,540.54

Finding the Fourth Proportional to 377,853.56, 521,428.46 and 214,540.54

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Solution

The fourth proportional to 377,853.56, 521,428.46 and 214,540.54 is: 296,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,853.56 : 521,428.46 = 214,540.54 : x
  2. Step 2: Convert to fraction form
    377,853.56/521,428.46 = 214,540.54/x
  3. Step 3: Cross multiply
    377,853.56x = 521,428.46 × 214,540.54
  4. Step 4: Simplify right side
    377,853.56x = 111,867,543,379.77
  5. Step 5: Solve for x
    x = 111,867,543,379.77/377,853.56
  6. Step 6: Final answer
    x = 296,060.58

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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.