Home / 405,932.43-560,188.25-219,663.92

Finding the Fourth Proportional to 405,932.43, 560,188.25 and 219,663.92

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Solution

The fourth proportional to 405,932.43, 560,188.25 and 219,663.92 is: 303,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,932.43 : 560,188.25 = 219,663.92 : x
  2. Step 2: Convert to fraction form
    405,932.43/560,188.25 = 219,663.92/x
  3. Step 3: Cross multiply
    405,932.43x = 560,188.25 × 219,663.92
  4. Step 4: Simplify right side
    405,932.43x = 123,053,143,033.68
  5. Step 5: Solve for x
    x = 123,053,143,033.68/405,932.43
  6. Step 6: Final answer
    x = 303,137.01

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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.