Home / 926,164.80-1,388,469.60-482,932.80

Finding the Fourth Proportional to 926,164.80, 1,388,469.60 and 482,932.80

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Solution

The fourth proportional to 926,164.80, 1,388,469.60 and 482,932.80 is: 723,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,164.80 : 1,388,469.60 = 482,932.80 : x
  2. Step 2: Convert to fraction form
    926,164.80/1,388,469.60 = 482,932.80/x
  3. Step 3: Cross multiply
    926,164.80x = 1,388,469.60 × 482,932.80
  4. Step 4: Simplify right side
    926,164.80x = 670,537,511,642.88
  5. Step 5: Solve for x
    x = 670,537,511,642.88/926,164.80
  6. Step 6: Final answer
    x = 723,993.73

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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.