Home / 460,574.16-690,579.82-220,761.44

Finding the Fourth Proportional to 460,574.16, 690,579.82 and 220,761.44

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Solution

The fourth proportional to 460,574.16, 690,579.82 and 220,761.44 is: 331,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,574.16 : 690,579.82 = 220,761.44 : x
  2. Step 2: Convert to fraction form
    460,574.16/690,579.82 = 220,761.44/x
  3. Step 3: Cross multiply
    460,574.16x = 690,579.82 × 220,761.44
  4. Step 4: Simplify right side
    460,574.16x = 152,453,394,910.87
  5. Step 5: Solve for x
    x = 152,453,394,910.87/460,574.16
  6. Step 6: Final answer
    x = 331,007.27

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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.