Home / 1,904,420.67-2,856,647.75-484,478.25

Finding the Fourth Proportional to 1,904,420.67, 2,856,647.75 and 484,478.25

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Solution

The fourth proportional to 1,904,420.67, 2,856,647.75 and 484,478.25 is: 726,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,420.67 : 2,856,647.75 = 484,478.25 : x
  2. Step 2: Convert to fraction form
    1,904,420.67/2,856,647.75 = 484,478.25/x
  3. Step 3: Cross multiply
    1,904,420.67x = 2,856,647.75 × 484,478.25
  4. Step 4: Simplify right side
    1,904,420.67x = 1,383,983,702,786.44
  5. Step 5: Solve for x
    x = 1,383,983,702,786.44/1,904,420.67
  6. Step 6: Final answer
    x = 726,721.63

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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.