Home / 1,138,536.54-1,571,119.02-629,208.54

Finding the Fourth Proportional to 1,138,536.54, 1,571,119.02 and 629,208.54

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Solution

The fourth proportional to 1,138,536.54, 1,571,119.02 and 629,208.54 is: 868,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,536.54 : 1,571,119.02 = 629,208.54 : x
  2. Step 2: Convert to fraction form
    1,138,536.54/1,571,119.02 = 629,208.54/x
  3. Step 3: Cross multiply
    1,138,536.54x = 1,571,119.02 × 629,208.54
  4. Step 4: Simplify right side
    1,138,536.54x = 988,561,504,740.43
  5. Step 5: Solve for x
    x = 988,561,504,740.43/1,138,536.54
  6. Step 6: Final answer
    x = 868,273.85

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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.