Home / 1,071,195.80-1,603,683.30-1,040,091.80

Finding the Fourth Proportional to 1,071,195.80, 1,603,683.30 and 1,040,091.80

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Solution

The fourth proportional to 1,071,195.80, 1,603,683.30 and 1,040,091.80 is: 1,557,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,195.80 : 1,603,683.30 = 1,040,091.80 : x
  2. Step 2: Convert to fraction form
    1,071,195.80/1,603,683.30 = 1,040,091.80/x
  3. Step 3: Cross multiply
    1,071,195.80x = 1,603,683.30 × 1,040,091.80
  4. Step 4: Simplify right side
    1,071,195.80x = 1,667,977,850,126.94
  5. Step 5: Solve for x
    x = 1,667,977,850,126.94/1,071,195.80
  6. Step 6: Final answer
    x = 1,557,117.62

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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.