Home / 1,247,410.24-1,871,396.28-394,533.60

Finding the Fourth Proportional to 1,247,410.24, 1,871,396.28 and 394,533.60

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Solution

The fourth proportional to 1,247,410.24, 1,871,396.28 and 394,533.60 is: 591,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,410.24 : 1,871,396.28 = 394,533.60 : x
  2. Step 2: Convert to fraction form
    1,247,410.24/1,871,396.28 = 394,533.60/x
  3. Step 3: Cross multiply
    1,247,410.24x = 1,871,396.28 × 394,533.60
  4. Step 4: Simplify right side
    1,247,410.24x = 738,328,711,375.01
  5. Step 5: Solve for x
    x = 738,328,711,375.01/1,247,410.24
  6. Step 6: Final answer
    x = 591,889.25

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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.