Home / 1,279,196.38-1,919,797.26-892,430.02

Finding the Fourth Proportional to 1,279,196.38, 1,919,797.26 and 892,430.02

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Solution

The fourth proportional to 1,279,196.38, 1,919,797.26 and 892,430.02 is: 1,339,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,196.38 : 1,919,797.26 = 892,430.02 : x
  2. Step 2: Convert to fraction form
    1,279,196.38/1,919,797.26 = 892,430.02/x
  3. Step 3: Cross multiply
    1,279,196.38x = 1,919,797.26 × 892,430.02
  4. Step 4: Simplify right side
    1,279,196.38x = 1,713,284,707,137.75
  5. Step 5: Solve for x
    x = 1,713,284,707,137.75/1,279,196.38
  6. Step 6: Final answer
    x = 1,339,344.56

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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.