Home / 813,163.36-1,122,190.06-450,553.30

Finding the Fourth Proportional to 813,163.36, 1,122,190.06 and 450,553.30

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Solution

The fourth proportional to 813,163.36, 1,122,190.06 and 450,553.30 is: 621,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,163.36 : 1,122,190.06 = 450,553.30 : x
  2. Step 2: Convert to fraction form
    813,163.36/1,122,190.06 = 450,553.30/x
  3. Step 3: Cross multiply
    813,163.36x = 1,122,190.06 × 450,553.30
  4. Step 4: Simplify right side
    813,163.36x = 505,606,434,760.20
  5. Step 5: Solve for x
    x = 505,606,434,760.20/813,163.36
  6. Step 6: Final answer
    x = 621,777.20

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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.