Home / 1,274,208.18-1,911,309.96-873,634.56

Finding the Fourth Proportional to 1,274,208.18, 1,911,309.96 and 873,634.56

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Solution

The fourth proportional to 1,274,208.18, 1,911,309.96 and 873,634.56 is: 1,310,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,208.18 : 1,911,309.96 = 873,634.56 : x
  2. Step 2: Convert to fraction form
    1,274,208.18/1,911,309.96 = 873,634.56/x
  3. Step 3: Cross multiply
    1,274,208.18x = 1,911,309.96 × 873,634.56
  4. Step 4: Simplify right side
    1,274,208.18x = 1,669,786,435,928.22
  5. Step 5: Solve for x
    x = 1,669,786,435,928.22/1,274,208.18
  6. Step 6: Final answer
    x = 1,310,450.26

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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.