Home / 1,408,868.25-1,944,238.19-805,269.21

Finding the Fourth Proportional to 1,408,868.25, 1,944,238.19 and 805,269.21

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Solution

The fourth proportional to 1,408,868.25, 1,944,238.19 and 805,269.21 is: 1,111,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,868.25 : 1,944,238.19 = 805,269.21 : x
  2. Step 2: Convert to fraction form
    1,408,868.25/1,944,238.19 = 805,269.21/x
  3. Step 3: Cross multiply
    1,408,868.25x = 1,944,238.19 × 805,269.21
  4. Step 4: Simplify right side
    1,408,868.25x = 1,565,635,147,286.78
  5. Step 5: Solve for x
    x = 1,565,635,147,286.78/1,408,868.25
  6. Step 6: Final answer
    x = 1,111,271.51

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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.