Home / 482,589.69-723,890.06-145,633.26

Finding the Fourth Proportional to 482,589.69, 723,890.06 and 145,633.26

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Solution

The fourth proportional to 482,589.69, 723,890.06 and 145,633.26 is: 218,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,589.69 : 723,890.06 = 145,633.26 : x
  2. Step 2: Convert to fraction form
    482,589.69/723,890.06 = 145,633.26/x
  3. Step 3: Cross multiply
    482,589.69x = 723,890.06 × 145,633.26
  4. Step 4: Simplify right side
    482,589.69x = 105,422,469,319.40
  5. Step 5: Solve for x
    x = 105,422,469,319.40/482,589.69
  6. Step 6: Final answer
    x = 218,451.56

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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.