Home / 1,136,568.54-1,568,667.96-677,712.72

Finding the Fourth Proportional to 1,136,568.54, 1,568,667.96 and 677,712.72

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Solution

The fourth proportional to 1,136,568.54, 1,568,667.96 and 677,712.72 is: 935,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,568.54 : 1,568,667.96 = 677,712.72 : x
  2. Step 2: Convert to fraction form
    1,136,568.54/1,568,667.96 = 677,712.72/x
  3. Step 3: Cross multiply
    1,136,568.54x = 1,568,667.96 × 677,712.72
  4. Step 4: Simplify right side
    1,136,568.54x = 1,063,106,229,948.45
  5. Step 5: Solve for x
    x = 1,063,106,229,948.45/1,136,568.54
  6. Step 6: Final answer
    x = 935,364.82

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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.