Home / 1,004,120.96-1,385,645.46-545,217.56

Finding the Fourth Proportional to 1,004,120.96, 1,385,645.46 and 545,217.56

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Solution

The fourth proportional to 1,004,120.96, 1,385,645.46 and 545,217.56 is: 752,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,120.96 : 1,385,645.46 = 545,217.56 : x
  2. Step 2: Convert to fraction form
    1,004,120.96/1,385,645.46 = 545,217.56/x
  3. Step 3: Cross multiply
    1,004,120.96x = 1,385,645.46 × 545,217.56
  4. Step 4: Simplify right side
    1,004,120.96x = 755,478,236,726.28
  5. Step 5: Solve for x
    x = 755,478,236,726.28/1,004,120.96
  6. Step 6: Final answer
    x = 752,377.72

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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.