Home / 1,247,453.06-1,871,410.44-394,739.06

Finding the Fourth Proportional to 1,247,453.06, 1,871,410.44 and 394,739.06

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Solution

The fourth proportional to 1,247,453.06, 1,871,410.44 and 394,739.06 is: 592,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,453.06 : 1,871,410.44 = 394,739.06 : x
  2. Step 2: Convert to fraction form
    1,247,453.06/1,871,410.44 = 394,739.06/x
  3. Step 3: Cross multiply
    1,247,453.06x = 1,871,410.44 × 394,739.06
  4. Step 4: Simplify right side
    1,247,453.06x = 738,718,797,959.79
  5. Step 5: Solve for x
    x = 738,718,797,959.79/1,247,453.06
  6. Step 6: Final answer
    x = 592,181.64

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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.