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Finding the Fourth Proportional to 1,408,782.57, 1,944,119.79 and 796,922.22

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Solution

The fourth proportional to 1,408,782.57, 1,944,119.79 and 796,922.22 is: 1,099,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,782.57 : 1,944,119.79 = 796,922.22 : x
  2. Step 2: Convert to fraction form
    1,408,782.57/1,944,119.79 = 796,922.22/x
  3. Step 3: Cross multiply
    1,408,782.57x = 1,944,119.79 × 796,922.22
  4. Step 4: Simplify right side
    1,408,782.57x = 1,549,312,258,992.73
  5. Step 5: Solve for x
    x = 1,549,312,258,992.73/1,408,782.57
  6. Step 6: Final answer
    x = 1,099,752.58

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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.