Home / 1,334,112.64-1,841,062.21-722,249.22

Finding the Fourth Proportional to 1,334,112.64, 1,841,062.21 and 722,249.22

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Solution

The fourth proportional to 1,334,112.64, 1,841,062.21 and 722,249.22 is: 996,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,112.64 : 1,841,062.21 = 722,249.22 : x
  2. Step 2: Convert to fraction form
    1,334,112.64/1,841,062.21 = 722,249.22/x
  3. Step 3: Cross multiply
    1,334,112.64x = 1,841,062.21 × 722,249.22
  4. Step 4: Simplify right side
    1,334,112.64x = 1,329,705,745,143.98
  5. Step 5: Solve for x
    x = 1,329,705,745,143.98/1,334,112.64
  6. Step 6: Final answer
    x = 996,696.76

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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.