Home / 1,331,716.13-1,837,767.35-719,868.86

Finding the Fourth Proportional to 1,331,716.13, 1,837,767.35 and 719,868.86

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Solution

The fourth proportional to 1,331,716.13, 1,837,767.35 and 719,868.86 is: 993,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,716.13 : 1,837,767.35 = 719,868.86 : x
  2. Step 2: Convert to fraction form
    1,331,716.13/1,837,767.35 = 719,868.86/x
  3. Step 3: Cross multiply
    1,331,716.13x = 1,837,767.35 × 719,868.86
  4. Step 4: Simplify right side
    1,331,716.13x = 1,322,951,474,401.54
  5. Step 5: Solve for x
    x = 1,322,951,474,401.54/1,331,716.13
  6. Step 6: Final answer
    x = 993,418.53

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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.