Home / 1,215,910.28-1,823,902.38-417,180.56

Finding the Fourth Proportional to 1,215,910.28, 1,823,902.38 and 417,180.56

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Solution

The fourth proportional to 1,215,910.28, 1,823,902.38 and 417,180.56 is: 625,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,910.28 : 1,823,902.38 = 417,180.56 : x
  2. Step 2: Convert to fraction form
    1,215,910.28/1,823,902.38 = 417,180.56/x
  3. Step 3: Cross multiply
    1,215,910.28x = 1,823,902.38 × 417,180.56
  4. Step 4: Simplify right side
    1,215,910.28x = 760,896,616,273.73
  5. Step 5: Solve for x
    x = 760,896,616,273.73/1,215,910.28
  6. Step 6: Final answer
    x = 625,783.52

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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.