Home / 836,936.50-1,255,957.71-393,739.06

Finding the Fourth Proportional to 836,936.50, 1,255,957.71 and 393,739.06

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Solution

The fourth proportional to 836,936.50, 1,255,957.71 and 393,739.06 is: 590,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,936.50 : 1,255,957.71 = 393,739.06 : x
  2. Step 2: Convert to fraction form
    836,936.50/1,255,957.71 = 393,739.06/x
  3. Step 3: Cross multiply
    836,936.50x = 1,255,957.71 × 393,739.06
  4. Step 4: Simplify right side
    836,936.50x = 494,519,608,135.15
  5. Step 5: Solve for x
    x = 494,519,608,135.15/836,936.50
  6. Step 6: Final answer
    x = 590,868.73

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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.