Home / 923,176.28-1,274,047.46-515,357.73

Finding the Fourth Proportional to 923,176.28, 1,274,047.46 and 515,357.73

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Solution

The fourth proportional to 923,176.28, 1,274,047.46 and 515,357.73 is: 711,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,176.28 : 1,274,047.46 = 515,357.73 : x
  2. Step 2: Convert to fraction form
    923,176.28/1,274,047.46 = 515,357.73/x
  3. Step 3: Cross multiply
    923,176.28x = 1,274,047.46 × 515,357.73
  4. Step 4: Simplify right side
    923,176.28x = 656,590,204,321.08
  5. Step 5: Solve for x
    x = 656,590,204,321.08/923,176.28
  6. Step 6: Final answer
    x = 711,229.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.