Home / 1,260,612.06-1,890,934.56-419,163.90

Finding the Fourth Proportional to 1,260,612.06, 1,890,934.56 and 419,163.90

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Solution

The fourth proportional to 1,260,612.06, 1,890,934.56 and 419,163.90 is: 628,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,612.06 : 1,890,934.56 = 419,163.90 : x
  2. Step 2: Convert to fraction form
    1,260,612.06/1,890,934.56 = 419,163.90/x
  3. Step 3: Cross multiply
    1,260,612.06x = 1,890,934.56 × 419,163.90
  4. Step 4: Simplify right side
    1,260,612.06x = 792,611,504,814.38
  5. Step 5: Solve for x
    x = 792,611,504,814.38/1,260,612.06
  6. Step 6: Final answer
    x = 628,751.33

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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.