Home / 1,071,170.80-1,603,645.80-1,040,066.80

Finding the Fourth Proportional to 1,071,170.80, 1,603,645.80 and 1,040,066.80

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Solution

The fourth proportional to 1,071,170.80, 1,603,645.80 and 1,040,066.80 is: 1,557,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,170.80 : 1,603,645.80 = 1,040,066.80 : x
  2. Step 2: Convert to fraction form
    1,071,170.80/1,603,645.80 = 1,040,066.80/x
  3. Step 3: Cross multiply
    1,071,170.80x = 1,603,645.80 × 1,040,066.80
  4. Step 4: Simplify right side
    1,071,170.80x = 1,667,898,755,539.44
  5. Step 5: Solve for x
    x = 1,667,898,755,539.44/1,071,170.80
  6. Step 6: Final answer
    x = 1,557,080.12

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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.