Home / 1,040,777.28-1,436,512.80-677,568.72

Finding the Fourth Proportional to 1,040,777.28, 1,436,512.80 and 677,568.72

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Solution

The fourth proportional to 1,040,777.28, 1,436,512.80 and 677,568.72 is: 935,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,777.28 : 1,436,512.80 = 677,568.72 : x
  2. Step 2: Convert to fraction form
    1,040,777.28/1,436,512.80 = 677,568.72/x
  3. Step 3: Cross multiply
    1,040,777.28x = 1,436,512.80 × 677,568.72
  4. Step 4: Simplify right side
    1,040,777.28x = 973,336,139,159.62
  5. Step 5: Solve for x
    x = 973,336,139,159.62/1,040,777.28
  6. Step 6: Final answer
    x = 935,201.18

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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.