Home / 1,289,611.20-1,933,833.60-579,273.60

Finding the Fourth Proportional to 1,289,611.20, 1,933,833.60 and 579,273.60

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Solution

The fourth proportional to 1,289,611.20, 1,933,833.60 and 579,273.60 is: 868,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,611.20 : 1,933,833.60 = 579,273.60 : x
  2. Step 2: Convert to fraction form
    1,289,611.20/1,933,833.60 = 579,273.60/x
  3. Step 3: Cross multiply
    1,289,611.20x = 1,933,833.60 × 579,273.60
  4. Step 4: Simplify right side
    1,289,611.20x = 1,120,218,751,272.96
  5. Step 5: Solve for x
    x = 1,120,218,751,272.96/1,289,611.20
  6. Step 6: Final answer
    x = 868,648.44

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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.