Home / 738,786.88-1,108,243.19-233,212.60

Finding the Fourth Proportional to 738,786.88, 1,108,243.19 and 233,212.60

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Solution

The fourth proportional to 738,786.88, 1,108,243.19 and 233,212.60 is: 349,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,786.88 : 1,108,243.19 = 233,212.60 : x
  2. Step 2: Convert to fraction form
    738,786.88/1,108,243.19 = 233,212.60/x
  3. Step 3: Cross multiply
    738,786.88x = 1,108,243.19 × 233,212.60
  4. Step 4: Simplify right side
    738,786.88x = 258,456,275,772.19
  5. Step 5: Solve for x
    x = 258,456,275,772.19/738,786.88
  6. Step 6: Final answer
    x = 349,838.75

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Double scale
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Similar ratio
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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.