Home / 1,589,986.78-2,194,217.84-864,873.26

Finding the Fourth Proportional to 1,589,986.78, 2,194,217.84 and 864,873.26

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Solution

The fourth proportional to 1,589,986.78, 2,194,217.84 and 864,873.26 is: 1,193,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,986.78 : 2,194,217.84 = 864,873.26 : x
  2. Step 2: Convert to fraction form
    1,589,986.78/2,194,217.84 = 864,873.26/x
  3. Step 3: Cross multiply
    1,589,986.78x = 2,194,217.84 × 864,873.26
  4. Step 4: Simplify right side
    1,589,986.78x = 1,897,720,336,430.96
  5. Step 5: Solve for x
    x = 1,897,720,336,430.96/1,589,986.78
  6. Step 6: Final answer
    x = 1,193,544.73

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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.