Home / 1,212,352.30-1,816,166.49-737,860.78

Finding the Fourth Proportional to 1,212,352.30, 1,816,166.49 and 737,860.78

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Solution

The fourth proportional to 1,212,352.30, 1,816,166.49 and 737,860.78 is: 1,105,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,352.30 : 1,816,166.49 = 737,860.78 : x
  2. Step 2: Convert to fraction form
    1,212,352.30/1,816,166.49 = 737,860.78/x
  3. Step 3: Cross multiply
    1,212,352.30x = 1,816,166.49 × 737,860.78
  4. Step 4: Simplify right side
    1,212,352.30x = 1,340,078,022,921.26
  5. Step 5: Solve for x
    x = 1,340,078,022,921.26/1,212,352.30
  6. Step 6: Final answer
    x = 1,105,353.64

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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.