Home / 1,137,197.81-1,568,675.10-734,789.81

Finding the Fourth Proportional to 1,137,197.81, 1,568,675.10 and 734,789.81

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Solution

The fourth proportional to 1,137,197.81, 1,568,675.10 and 734,789.81 is: 1,013,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,197.81 : 1,568,675.10 = 734,789.81 : x
  2. Step 2: Convert to fraction form
    1,137,197.81/1,568,675.10 = 734,789.81/x
  3. Step 3: Cross multiply
    1,137,197.81x = 1,568,675.10 × 734,789.81
  4. Step 4: Simplify right side
    1,137,197.81x = 1,152,646,478,680.73
  5. Step 5: Solve for x
    x = 1,152,646,478,680.73/1,137,197.81
  6. Step 6: Final answer
    x = 1,013,584.86

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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.