Home / 1,332,183.70-1,995,979.20-620,752.60

Finding the Fourth Proportional to 1,332,183.70, 1,995,979.20 and 620,752.60

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Solution

The fourth proportional to 1,332,183.70, 1,995,979.20 and 620,752.60 is: 930,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,183.70 : 1,995,979.20 = 620,752.60 : x
  2. Step 2: Convert to fraction form
    1,332,183.70/1,995,979.20 = 620,752.60/x
  3. Step 3: Cross multiply
    1,332,183.70x = 1,995,979.20 × 620,752.60
  4. Step 4: Simplify right side
    1,332,183.70x = 1,239,009,277,945.92
  5. Step 5: Solve for x
    x = 1,239,009,277,945.92/1,332,183.70
  6. Step 6: Final answer
    x = 930,058.88

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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.