Home / 1,728,404.20-2,591,828.70-663,092.20

Finding the Fourth Proportional to 1,728,404.20, 2,591,828.70 and 663,092.20

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Solution

The fourth proportional to 1,728,404.20, 2,591,828.70 and 663,092.20 is: 994,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,404.20 : 2,591,828.70 = 663,092.20 : x
  2. Step 2: Convert to fraction form
    1,728,404.20/2,591,828.70 = 663,092.20/x
  3. Step 3: Cross multiply
    1,728,404.20x = 2,591,828.70 × 663,092.20
  4. Step 4: Simplify right side
    1,728,404.20x = 1,718,621,394,706.14
  5. Step 5: Solve for x
    x = 1,718,621,394,706.14/1,728,404.20
  6. Step 6: Final answer
    x = 994,339.98

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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.