Home / 748,913.20-1,121,620.20-733,879.60

Finding the Fourth Proportional to 748,913.20, 1,121,620.20 and 733,879.60

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Solution

The fourth proportional to 748,913.20, 1,121,620.20 and 733,879.60 is: 1,099,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,913.20 : 1,121,620.20 = 733,879.60 : x
  2. Step 2: Convert to fraction form
    748,913.20/1,121,620.20 = 733,879.60/x
  3. Step 3: Cross multiply
    748,913.20x = 1,121,620.20 × 733,879.60
  4. Step 4: Simplify right side
    748,913.20x = 823,134,183,727.92
  5. Step 5: Solve for x
    x = 823,134,183,727.92/748,913.20
  6. Step 6: Final answer
    x = 1,099,104.92

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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.