Home / 889,098-1,226,945.34-481,190.64

Finding the Fourth Proportional to 889,098, 1,226,945.34 and 481,190.64

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Solution

The fourth proportional to 889,098, 1,226,945.34 and 481,190.64 is: 664,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,098 : 1,226,945.34 = 481,190.64 : x
  2. Step 2: Convert to fraction form
    889,098/1,226,945.34 = 481,190.64/x
  3. Step 3: Cross multiply
    889,098x = 1,226,945.34 × 481,190.64
  4. Step 4: Simplify right side
    889,098x = 590,394,613,399.62
  5. Step 5: Solve for x
    x = 590,394,613,399.62/889,098
  6. Step 6: Final answer
    x = 664,037.73

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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.