Home / 362,425.13-543,634.23-220,309.65

Finding the Fourth Proportional to 362,425.13, 543,634.23 and 220,309.65

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Solution

The fourth proportional to 362,425.13, 543,634.23 and 220,309.65 is: 330,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,425.13 : 543,634.23 = 220,309.65 : x
  2. Step 2: Convert to fraction form
    362,425.13/543,634.23 = 220,309.65/x
  3. Step 3: Cross multiply
    362,425.13x = 543,634.23 × 220,309.65
  4. Step 4: Simplify right side
    362,425.13x = 119,767,865,837.77
  5. Step 5: Solve for x
    x = 119,767,865,837.77/362,425.13
  6. Step 6: Final answer
    x = 330,462.37

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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.