Home / 986,523.75-1,479,760.11-266,935.14

Finding the Fourth Proportional to 986,523.75, 1,479,760.11 and 266,935.14

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Solution

The fourth proportional to 986,523.75, 1,479,760.11 and 266,935.14 is: 400,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,523.75 : 1,479,760.11 = 266,935.14 : x
  2. Step 2: Convert to fraction form
    986,523.75/1,479,760.11 = 266,935.14/x
  3. Step 3: Cross multiply
    986,523.75x = 1,479,760.11 × 266,935.14
  4. Step 4: Simplify right side
    986,523.75x = 394,999,972,129.27
  5. Step 5: Solve for x
    x = 394,999,972,129.27/986,523.75
  6. Step 6: Final answer
    x = 400,395.81

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1.5x scale

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.