Home / 1,198,664.80-1,797,997.20-488,327.20

Finding the Fourth Proportional to 1,198,664.80, 1,797,997.20 and 488,327.20

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Solution

The fourth proportional to 1,198,664.80, 1,797,997.20 and 488,327.20 is: 732,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,664.80 : 1,797,997.20 = 488,327.20 : x
  2. Step 2: Convert to fraction form
    1,198,664.80/1,797,997.20 = 488,327.20/x
  3. Step 3: Cross multiply
    1,198,664.80x = 1,797,997.20 × 488,327.20
  4. Step 4: Simplify right side
    1,198,664.80x = 878,010,938,283.84
  5. Step 5: Solve for x
    x = 878,010,938,283.84/1,198,664.80
  6. Step 6: Final answer
    x = 732,490.80

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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.