Home / 1,408,519.32-1,943,800.65-796,660.11

Finding the Fourth Proportional to 1,408,519.32, 1,943,800.65 and 796,660.11

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Solution

The fourth proportional to 1,408,519.32, 1,943,800.65 and 796,660.11 is: 1,099,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,519.32 : 1,943,800.65 = 796,660.11 : x
  2. Step 2: Convert to fraction form
    1,408,519.32/1,943,800.65 = 796,660.11/x
  3. Step 3: Cross multiply
    1,408,519.32x = 1,943,800.65 × 796,660.11
  4. Step 4: Simplify right side
    1,408,519.32x = 1,548,548,439,647.07
  5. Step 5: Solve for x
    x = 1,548,548,439,647.07/1,408,519.32
  6. Step 6: Final answer
    x = 1,099,415.83

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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.