Home / 1,719,979.70-2,579,970.11-505,556.58

Finding the Fourth Proportional to 1,719,979.70, 2,579,970.11 and 505,556.58

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Solution

The fourth proportional to 1,719,979.70, 2,579,970.11 and 505,556.58 is: 758,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,979.70 : 2,579,970.11 = 505,556.58 : x
  2. Step 2: Convert to fraction form
    1,719,979.70/2,579,970.11 = 505,556.58/x
  3. Step 3: Cross multiply
    1,719,979.70x = 2,579,970.11 × 505,556.58
  4. Step 4: Simplify right side
    1,719,979.70x = 1,304,320,862,786.04
  5. Step 5: Solve for x
    x = 1,304,320,862,786.04/1,719,979.70
  6. Step 6: Final answer
    x = 758,335.04

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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.