Home / 1,227,806.03-1,694,147.47-683,928.29

Finding the Fourth Proportional to 1,227,806.03, 1,694,147.47 and 683,928.29

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Solution

The fourth proportional to 1,227,806.03, 1,694,147.47 and 683,928.29 is: 943,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,806.03 : 1,694,147.47 = 683,928.29 : x
  2. Step 2: Convert to fraction form
    1,227,806.03/1,694,147.47 = 683,928.29/x
  3. Step 3: Cross multiply
    1,227,806.03x = 1,694,147.47 × 683,928.29
  4. Step 4: Simplify right side
    1,227,806.03x = 1,158,675,384,690.47
  5. Step 5: Solve for x
    x = 1,158,675,384,690.47/1,227,806.03
  6. Step 6: Final answer
    x = 943,695.79

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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.