Home / 1,915,306.38-2,873,615.85-654,019.74

Finding the Fourth Proportional to 1,915,306.38, 2,873,615.85 and 654,019.74

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Solution

The fourth proportional to 1,915,306.38, 2,873,615.85 and 654,019.74 is: 981,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,306.38 : 2,873,615.85 = 654,019.74 : x
  2. Step 2: Convert to fraction form
    1,915,306.38/2,873,615.85 = 654,019.74/x
  3. Step 3: Cross multiply
    1,915,306.38x = 2,873,615.85 × 654,019.74
  4. Step 4: Simplify right side
    1,915,306.38x = 1,879,401,491,076.88
  5. Step 5: Solve for x
    x = 1,879,401,491,076.88/1,915,306.38
  6. Step 6: Final answer
    x = 981,253.71

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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.