Home / 1,472,162-2,208,119.88-407,217.20

Finding the Fourth Proportional to 1,472,162, 2,208,119.88 and 407,217.20

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Solution

The fourth proportional to 1,472,162, 2,208,119.88 and 407,217.20 is: 610,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,162 : 2,208,119.88 = 407,217.20 : x
  2. Step 2: Convert to fraction form
    1,472,162/2,208,119.88 = 407,217.20/x
  3. Step 3: Cross multiply
    1,472,162x = 2,208,119.88 × 407,217.20
  4. Step 4: Simplify right side
    1,472,162x = 899,184,394,797.94
  5. Step 5: Solve for x
    x = 899,184,394,797.94/1,472,162
  6. Step 6: Final answer
    x = 610,791.74

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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.