Home / 1,331,926.87-1,997,558.13-522,475.78

Finding the Fourth Proportional to 1,331,926.87, 1,997,558.13 and 522,475.78

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Solution

The fourth proportional to 1,331,926.87, 1,997,558.13 and 522,475.78 is: 783,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,926.87 : 1,997,558.13 = 522,475.78 : x
  2. Step 2: Convert to fraction form
    1,331,926.87/1,997,558.13 = 522,475.78/x
  3. Step 3: Cross multiply
    1,331,926.87x = 1,997,558.13 × 522,475.78
  4. Step 4: Simplify right side
    1,331,926.87x = 1,043,675,742,067.09
  5. Step 5: Solve for x
    x = 1,043,675,742,067.09/1,331,926.87
  6. Step 6: Final answer
    x = 783,583.37

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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.