Home / 1,329,102.40-1,993,653.60-798,260.80

Finding the Fourth Proportional to 1,329,102.40, 1,993,653.60 and 798,260.80

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Solution

The fourth proportional to 1,329,102.40, 1,993,653.60 and 798,260.80 is: 1,197,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,102.40 : 1,993,653.60 = 798,260.80 : x
  2. Step 2: Convert to fraction form
    1,329,102.40/1,993,653.60 = 798,260.80/x
  3. Step 3: Cross multiply
    1,329,102.40x = 1,993,653.60 × 798,260.80
  4. Step 4: Simplify right side
    1,329,102.40x = 1,591,455,517,658.88
  5. Step 5: Solve for x
    x = 1,591,455,517,658.88/1,329,102.40
  6. Step 6: Final answer
    x = 1,197,391.20

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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.