Home / 1,213,564.65-1,819,067.31-403,732.76

Finding the Fourth Proportional to 1,213,564.65, 1,819,067.31 and 403,732.76

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Solution

The fourth proportional to 1,213,564.65, 1,819,067.31 and 403,732.76 is: 605,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,564.65 : 1,819,067.31 = 403,732.76 : x
  2. Step 2: Convert to fraction form
    1,213,564.65/1,819,067.31 = 403,732.76/x
  3. Step 3: Cross multiply
    1,213,564.65x = 1,819,067.31 × 403,732.76
  4. Step 4: Simplify right side
    1,213,564.65x = 734,417,056,596.74
  5. Step 5: Solve for x
    x = 734,417,056,596.74/1,213,564.65
  6. Step 6: Final answer
    x = 605,173.41

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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.