Home / 1,491,170.45-2,236,588.17-411,836.46

Finding the Fourth Proportional to 1,491,170.45, 2,236,588.17 and 411,836.46

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Solution

The fourth proportional to 1,491,170.45, 2,236,588.17 and 411,836.46 is: 617,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,170.45 : 2,236,588.17 = 411,836.46 : x
  2. Step 2: Convert to fraction form
    1,491,170.45/2,236,588.17 = 411,836.46/x
  3. Step 3: Cross multiply
    1,491,170.45x = 2,236,588.17 × 411,836.46
  4. Step 4: Simplify right side
    1,491,170.45x = 921,108,546,795.67
  5. Step 5: Solve for x
    x = 921,108,546,795.67/1,491,170.45
  6. Step 6: Final answer
    x = 617,708.42

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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.