Home / 1,519,097.60-2,279,998.08-809,711.36

Finding the Fourth Proportional to 1,519,097.60, 2,279,998.08 and 809,711.36

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Solution

The fourth proportional to 1,519,097.60, 2,279,998.08 and 809,711.36 is: 1,215,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,097.60 : 2,279,998.08 = 809,711.36 : x
  2. Step 2: Convert to fraction form
    1,519,097.60/2,279,998.08 = 809,711.36/x
  3. Step 3: Cross multiply
    1,519,097.60x = 2,279,998.08 × 809,711.36
  4. Step 4: Simplify right side
    1,519,097.60x = 1,846,140,346,154.19
  5. Step 5: Solve for x
    x = 1,846,140,346,154.19/1,519,097.60
  6. Step 6: Final answer
    x = 1,215,287.51

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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.