Home / 1,218,727.58-1,826,971.88-419,819.22

Finding the Fourth Proportional to 1,218,727.58, 1,826,971.88 and 419,819.22

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Solution

The fourth proportional to 1,218,727.58, 1,826,971.88 and 419,819.22 is: 629,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,727.58 : 1,826,971.88 = 419,819.22 : x
  2. Step 2: Convert to fraction form
    1,218,727.58/1,826,971.88 = 419,819.22/x
  3. Step 3: Cross multiply
    1,218,727.58x = 1,826,971.88 × 419,819.22
  4. Step 4: Simplify right side
    1,218,727.58x = 766,997,907,524.44
  5. Step 5: Solve for x
    x = 766,997,907,524.44/1,218,727.58
  6. Step 6: Final answer
    x = 629,343.20

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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.