Home / 548,199.09-822,438.77-211,149.27

Finding the Fourth Proportional to 548,199.09, 822,438.77 and 211,149.27

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Solution

The fourth proportional to 548,199.09, 822,438.77 and 211,149.27 is: 316,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,199.09 : 822,438.77 = 211,149.27 : x
  2. Step 2: Convert to fraction form
    548,199.09/822,438.77 = 211,149.27/x
  3. Step 3: Cross multiply
    548,199.09x = 822,438.77 × 211,149.27
  4. Step 4: Simplify right side
    548,199.09x = 173,657,344,849.45
  5. Step 5: Solve for x
    x = 173,657,344,849.45/548,199.09
  6. Step 6: Final answer
    x = 316,777.88

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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.