Home / 412,275.20-617,473.92-245,719.04

Finding the Fourth Proportional to 412,275.20, 617,473.92 and 245,719.04

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Solution

The fourth proportional to 412,275.20, 617,473.92 and 245,719.04 is: 368,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,275.20 : 617,473.92 = 245,719.04 : x
  2. Step 2: Convert to fraction form
    412,275.20/617,473.92 = 245,719.04/x
  3. Step 3: Cross multiply
    412,275.20x = 617,473.92 × 245,719.04
  4. Step 4: Simplify right side
    412,275.20x = 151,725,098,847.44
  5. Step 5: Solve for x
    x = 151,725,098,847.44/412,275.20
  6. Step 6: Final answer
    x = 368,018.98

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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.