Home / 1,040,919.21-1,435,914.41-633,145.77

Finding the Fourth Proportional to 1,040,919.21, 1,435,914.41 and 633,145.77

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Solution

The fourth proportional to 1,040,919.21, 1,435,914.41 and 633,145.77 is: 873,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,919.21 : 1,435,914.41 = 633,145.77 : x
  2. Step 2: Convert to fraction form
    1,040,919.21/1,435,914.41 = 633,145.77/x
  3. Step 3: Cross multiply
    1,040,919.21x = 1,435,914.41 × 633,145.77
  4. Step 4: Simplify right side
    1,040,919.21x = 909,143,131,607.82
  5. Step 5: Solve for x
    x = 909,143,131,607.82/1,040,919.21
  6. Step 6: Final answer
    x = 873,404.12

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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.