Home / 1,236,920.91-1,856,016.20-589,230.60

Finding the Fourth Proportional to 1,236,920.91, 1,856,016.20 and 589,230.60

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Solution

The fourth proportional to 1,236,920.91, 1,856,016.20 and 589,230.60 is: 884,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,920.91 : 1,856,016.20 = 589,230.60 : x
  2. Step 2: Convert to fraction form
    1,236,920.91/1,856,016.20 = 589,230.60/x
  3. Step 3: Cross multiply
    1,236,920.91x = 1,856,016.20 × 589,230.60
  4. Step 4: Simplify right side
    1,236,920.91x = 1,093,621,539,135.72
  5. Step 5: Solve for x
    x = 1,093,621,539,135.72/1,236,920.91
  6. Step 6: Final answer
    x = 884,148.32

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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.