Home / 814,571.43-1,220,267.79-533,235.75

Finding the Fourth Proportional to 814,571.43, 1,220,267.79 and 533,235.75

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Solution

The fourth proportional to 814,571.43, 1,220,267.79 and 533,235.75 is: 798,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,571.43 : 1,220,267.79 = 533,235.75 : x
  2. Step 2: Convert to fraction form
    814,571.43/1,220,267.79 = 533,235.75/x
  3. Step 3: Cross multiply
    814,571.43x = 1,220,267.79 × 533,235.75
  4. Step 4: Simplify right side
    814,571.43x = 650,690,410,201.49
  5. Step 5: Solve for x
    x = 650,690,410,201.49/814,571.43
  6. Step 6: Final answer
    x = 798,813.20

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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.