Home / 465,519.58-698,278.46-128,559.38

Finding the Fourth Proportional to 465,519.58, 698,278.46 and 128,559.38

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Solution

The fourth proportional to 465,519.58, 698,278.46 and 128,559.38 is: 192,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,519.58 : 698,278.46 = 128,559.38 : x
  2. Step 2: Convert to fraction form
    465,519.58/698,278.46 = 128,559.38/x
  3. Step 3: Cross multiply
    465,519.58x = 698,278.46 × 128,559.38
  4. Step 4: Simplify right side
    465,519.58x = 89,770,244,257.03
  5. Step 5: Solve for x
    x = 89,770,244,257.03/465,519.58
  6. Step 6: Final answer
    x = 192,838.82

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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.