Home / 1,408,879.26-1,944,253.38-805,280.22

Finding the Fourth Proportional to 1,408,879.26, 1,944,253.38 and 805,280.22

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Solution

The fourth proportional to 1,408,879.26, 1,944,253.38 and 805,280.22 is: 1,111,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,879.26 : 1,944,253.38 = 805,280.22 : x
  2. Step 2: Convert to fraction form
    1,408,879.26/1,944,253.38 = 805,280.22/x
  3. Step 3: Cross multiply
    1,408,879.26x = 1,944,253.38 × 805,280.22
  4. Step 4: Simplify right side
    1,408,879.26x = 1,565,668,789,582.14
  5. Step 5: Solve for x
    x = 1,565,668,789,582.14/1,408,879.26
  6. Step 6: Final answer
    x = 1,111,286.70

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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.