Home / 539,121.80-808,974.30-223,610.60

Finding the Fourth Proportional to 539,121.80, 808,974.30 and 223,610.60

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Solution

The fourth proportional to 539,121.80, 808,974.30 and 223,610.60 is: 335,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,121.80 : 808,974.30 = 223,610.60 : x
  2. Step 2: Convert to fraction form
    539,121.80/808,974.30 = 223,610.60/x
  3. Step 3: Cross multiply
    539,121.80x = 808,974.30 × 223,610.60
  4. Step 4: Simplify right side
    539,121.80x = 180,895,228,607.58
  5. Step 5: Solve for x
    x = 180,895,228,607.58/539,121.80
  6. Step 6: Final answer
    x = 335,536.85

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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.