Home / 923,168.58-1,273,974.10-515,270.31

Finding the Fourth Proportional to 923,168.58, 1,273,974.10 and 515,270.31

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Solution

The fourth proportional to 923,168.58, 1,273,974.10 and 515,270.31 is: 711,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,168.58 : 1,273,974.10 = 515,270.31 : x
  2. Step 2: Convert to fraction form
    923,168.58/1,273,974.10 = 515,270.31/x
  3. Step 3: Cross multiply
    923,168.58x = 1,273,974.10 × 515,270.31
  4. Step 4: Simplify right side
    923,168.58x = 656,441,034,819.36
  5. Step 5: Solve for x
    x = 656,441,034,819.36/923,168.58
  6. Step 6: Final answer
    x = 711,073.85

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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.