Home / 1,608,396.36-2,217,711.80-1,199,788.86

Finding the Fourth Proportional to 1,608,396.36, 2,217,711.80 and 1,199,788.86

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Solution

The fourth proportional to 1,608,396.36, 2,217,711.80 and 1,199,788.86 is: 1,654,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,396.36 : 2,217,711.80 = 1,199,788.86 : x
  2. Step 2: Convert to fraction form
    1,608,396.36/2,217,711.80 = 1,199,788.86/x
  3. Step 3: Cross multiply
    1,608,396.36x = 2,217,711.80 × 1,199,788.86
  4. Step 4: Simplify right side
    1,608,396.36x = 2,660,785,912,330.55
  5. Step 5: Solve for x
    x = 2,660,785,912,330.55/1,608,396.36
  6. Step 6: Final answer
    x = 1,654,309.83

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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.