Home / 889,698.59-1,227,777.94-481,791.09

Finding the Fourth Proportional to 889,698.59, 1,227,777.94 and 481,791.09

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Solution

The fourth proportional to 889,698.59, 1,227,777.94 and 481,791.09 is: 664,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,698.59 : 1,227,777.94 = 481,791.09 : x
  2. Step 2: Convert to fraction form
    889,698.59/1,227,777.94 = 481,791.09/x
  3. Step 3: Cross multiply
    889,698.59x = 1,227,777.94 × 481,791.09
  4. Step 4: Simplify right side
    889,698.59x = 591,532,471,990.56
  5. Step 5: Solve for x
    x = 591,532,471,990.56/889,698.59
  6. Step 6: Final answer
    x = 664,868.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.