Home / 864,076.68-1,296,359.28-295,580.88

Finding the Fourth Proportional to 864,076.68, 1,296,359.28 and 295,580.88

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Solution

The fourth proportional to 864,076.68, 1,296,359.28 and 295,580.88 is: 443,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,076.68 : 1,296,359.28 = 295,580.88 : x
  2. Step 2: Convert to fraction form
    864,076.68/1,296,359.28 = 295,580.88/x
  3. Step 3: Cross multiply
    864,076.68x = 1,296,359.28 × 295,580.88
  4. Step 4: Simplify right side
    864,076.68x = 383,179,016,778.57
  5. Step 5: Solve for x
    x = 383,179,016,778.57/864,076.68
  6. Step 6: Final answer
    x = 443,454.88

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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.