Home / 603,376.56-832,618.44-331,456.05

Finding the Fourth Proportional to 603,376.56, 832,618.44 and 331,456.05

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Solution

The fourth proportional to 603,376.56, 832,618.44 and 331,456.05 is: 457,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,376.56 : 832,618.44 = 331,456.05 : x
  2. Step 2: Convert to fraction form
    603,376.56/832,618.44 = 331,456.05/x
  3. Step 3: Cross multiply
    603,376.56x = 832,618.44 × 331,456.05
  4. Step 4: Simplify right side
    603,376.56x = 275,976,419,279.56
  5. Step 5: Solve for x
    x = 275,976,419,279.56/603,376.56
  6. Step 6: Final answer
    x = 457,386.71

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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.