Home / 836,697.46-1,255,035.31-205,616.82

Finding the Fourth Proportional to 836,697.46, 1,255,035.31 and 205,616.82

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Solution

The fourth proportional to 836,697.46, 1,255,035.31 and 205,616.82 is: 308,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,697.46 : 1,255,035.31 = 205,616.82 : x
  2. Step 2: Convert to fraction form
    836,697.46/1,255,035.31 = 205,616.82/x
  3. Step 3: Cross multiply
    836,697.46x = 1,255,035.31 × 205,616.82
  4. Step 4: Simplify right side
    836,697.46x = 258,056,369,429.91
  5. Step 5: Solve for x
    x = 258,056,369,429.91/836,697.46
  6. Step 6: Final answer
    x = 308,422.56

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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.