Home / 1,274,156.37-1,908,992.53-1,198,301.49

Finding the Fourth Proportional to 1,274,156.37, 1,908,992.53 and 1,198,301.49

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Solution

The fourth proportional to 1,274,156.37, 1,908,992.53 and 1,198,301.49 is: 1,795,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156.37 : 1,908,992.53 = 1,198,301.49 : x
  2. Step 2: Convert to fraction form
    1,274,156.37/1,908,992.53 = 1,198,301.49/x
  3. Step 3: Cross multiply
    1,274,156.37x = 1,908,992.53 × 1,198,301.49
  4. Step 4: Simplify right side
    1,274,156.37x = 2,287,548,593,097.87
  5. Step 5: Solve for x
    x = 2,287,548,593,097.87/1,274,156.37
  6. Step 6: Final answer
    x = 1,795,343.69

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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.