Home / 1,857,338.30-2,785,788.57-509,637.18

Finding the Fourth Proportional to 1,857,338.30, 2,785,788.57 and 509,637.18

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Solution

The fourth proportional to 1,857,338.30, 2,785,788.57 and 509,637.18 is: 764,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,338.30 : 2,785,788.57 = 509,637.18 : x
  2. Step 2: Convert to fraction form
    1,857,338.30/2,785,788.57 = 509,637.18/x
  3. Step 3: Cross multiply
    1,857,338.30x = 2,785,788.57 × 509,637.18
  4. Step 4: Simplify right side
    1,857,338.30x = 1,419,741,430,891.03
  5. Step 5: Solve for x
    x = 1,419,741,430,891.03/1,857,338.30
  6. Step 6: Final answer
    x = 764,395.71

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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.