Home / 809,961.03-1,214,219.56-383,230.51

Finding the Fourth Proportional to 809,961.03, 1,214,219.56 and 383,230.51

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Solution

The fourth proportional to 809,961.03, 1,214,219.56 and 383,230.51 is: 574,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,961.03 : 1,214,219.56 = 383,230.51 : x
  2. Step 2: Convert to fraction form
    809,961.03/1,214,219.56 = 383,230.51/x
  3. Step 3: Cross multiply
    809,961.03x = 1,214,219.56 × 383,230.51
  4. Step 4: Simplify right side
    809,961.03x = 465,325,981,230.78
  5. Step 5: Solve for x
    x = 465,325,981,230.78/809,961.03
  6. Step 6: Final answer
    x = 574,504.16

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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.