Home / 1,139,163.24-1,571,982.48-629,832

Finding the Fourth Proportional to 1,139,163.24, 1,571,982.48 and 629,832

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Solution

The fourth proportional to 1,139,163.24, 1,571,982.48 and 629,832 is: 869,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,163.24 : 1,571,982.48 = 629,832 : x
  2. Step 2: Convert to fraction form
    1,139,163.24/1,571,982.48 = 629,832/x
  3. Step 3: Cross multiply
    1,139,163.24x = 1,571,982.48 × 629,832
  4. Step 4: Simplify right side
    1,139,163.24x = 990,084,869,343.36
  5. Step 5: Solve for x
    x = 990,084,869,343.36/1,139,163.24
  6. Step 6: Final answer
    x = 869,133.44

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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.