Home / 1,274,536.09-1,757,963.86-838,814.59

Finding the Fourth Proportional to 1,274,536.09, 1,757,963.86 and 838,814.59

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Solution

The fourth proportional to 1,274,536.09, 1,757,963.86 and 838,814.59 is: 1,156,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,536.09 : 1,757,963.86 = 838,814.59 : x
  2. Step 2: Convert to fraction form
    1,274,536.09/1,757,963.86 = 838,814.59/x
  3. Step 3: Cross multiply
    1,274,536.09x = 1,757,963.86 × 838,814.59
  4. Step 4: Simplify right side
    1,274,536.09x = 1,474,605,734,460.72
  5. Step 5: Solve for x
    x = 1,474,605,734,460.72/1,274,536.09
  6. Step 6: Final answer
    x = 1,156,974.48

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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.