Home / 1,143,647.03-1,578,226.48-627,387.73

Finding the Fourth Proportional to 1,143,647.03, 1,578,226.48 and 627,387.73

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Solution

The fourth proportional to 1,143,647.03, 1,578,226.48 and 627,387.73 is: 865,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,647.03 : 1,578,226.48 = 627,387.73 : x
  2. Step 2: Convert to fraction form
    1,143,647.03/1,578,226.48 = 627,387.73/x
  3. Step 3: Cross multiply
    1,143,647.03x = 1,578,226.48 × 627,387.73
  4. Step 4: Simplify right side
    1,143,647.03x = 990,159,923,199.06
  5. Step 5: Solve for x
    x = 990,159,923,199.06/1,143,647.03
  6. Step 6: Final answer
    x = 865,791.54

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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.