Home / 1,639,719.54-2,262,816.08-914,614.23

Finding the Fourth Proportional to 1,639,719.54, 2,262,816.08 and 914,614.23

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Solution

The fourth proportional to 1,639,719.54, 2,262,816.08 and 914,614.23 is: 1,262,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,719.54 : 2,262,816.08 = 914,614.23 : x
  2. Step 2: Convert to fraction form
    1,639,719.54/2,262,816.08 = 914,614.23/x
  3. Step 3: Cross multiply
    1,639,719.54x = 2,262,816.08 × 914,614.23
  4. Step 4: Simplify right side
    1,639,719.54x = 2,069,603,782,067.75
  5. Step 5: Solve for x
    x = 2,069,603,782,067.75/1,639,719.54
  6. Step 6: Final answer
    x = 1,262,169.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.