Home / 1,278,249.27-1,763,982.77-705,289.47

Finding the Fourth Proportional to 1,278,249.27, 1,763,982.77 and 705,289.47

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Solution

The fourth proportional to 1,278,249.27, 1,763,982.77 and 705,289.47 is: 973,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,249.27 : 1,763,982.77 = 705,289.47 : x
  2. Step 2: Convert to fraction form
    1,278,249.27/1,763,982.77 = 705,289.47/x
  3. Step 3: Cross multiply
    1,278,249.27x = 1,763,982.77 × 705,289.47
  4. Step 4: Simplify right side
    1,278,249.27x = 1,244,118,469,415.98
  5. Step 5: Solve for x
    x = 1,244,118,469,415.98/1,278,249.27
  6. Step 6: Final answer
    x = 973,298.79

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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.