Home / 1,019,163.01-1,528,928.39-419,797.03

Finding the Fourth Proportional to 1,019,163.01, 1,528,928.39 and 419,797.03

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Solution

The fourth proportional to 1,019,163.01, 1,528,928.39 and 419,797.03 is: 629,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,163.01 : 1,528,928.39 = 419,797.03 : x
  2. Step 2: Convert to fraction form
    1,019,163.01/1,528,928.39 = 419,797.03/x
  3. Step 3: Cross multiply
    1,019,163.01x = 1,528,928.39 × 419,797.03
  4. Step 4: Simplify right side
    1,019,163.01x = 641,839,597,204.68
  5. Step 5: Solve for x
    x = 641,839,597,204.68/1,019,163.01
  6. Step 6: Final answer
    x = 629,771.28

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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.