Home / 445,780.26-668,836.86-179,616.30

Finding the Fourth Proportional to 445,780.26, 668,836.86 and 179,616.30

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Solution

The fourth proportional to 445,780.26, 668,836.86 and 179,616.30 is: 269,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,780.26 : 668,836.86 = 179,616.30 : x
  2. Step 2: Convert to fraction form
    445,780.26/668,836.86 = 179,616.30/x
  3. Step 3: Cross multiply
    445,780.26x = 668,836.86 × 179,616.30
  4. Step 4: Simplify right side
    445,780.26x = 120,134,002,096.82
  5. Step 5: Solve for x
    x = 120,134,002,096.82/445,780.26
  6. Step 6: Final answer
    x = 269,491.53

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1.5x scale

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.