Home / 1,422,092.20-2,133,138.30-943,795.30

Finding the Fourth Proportional to 1,422,092.20, 2,133,138.30 and 943,795.30

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Solution

The fourth proportional to 1,422,092.20, 2,133,138.30 and 943,795.30 is: 1,415,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,092.20 : 2,133,138.30 = 943,795.30 : x
  2. Step 2: Convert to fraction form
    1,422,092.20/2,133,138.30 = 943,795.30/x
  3. Step 3: Cross multiply
    1,422,092.20x = 2,133,138.30 × 943,795.30
  4. Step 4: Simplify right side
    1,422,092.20x = 2,013,245,901,789.99
  5. Step 5: Solve for x
    x = 2,013,245,901,789.99/1,422,092.20
  6. Step 6: Final answer
    x = 1,415,692.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.