Home / 1,143,379.99-1,577,866.67-627,138.10

Finding the Fourth Proportional to 1,143,379.99, 1,577,866.67 and 627,138.10

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Solution

The fourth proportional to 1,143,379.99, 1,577,866.67 and 627,138.10 is: 865,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,379.99 : 1,577,866.67 = 627,138.10 : x
  2. Step 2: Convert to fraction form
    1,143,379.99/1,577,866.67 = 627,138.10/x
  3. Step 3: Cross multiply
    1,143,379.99x = 1,577,866.67 × 627,138.10
  4. Step 4: Simplify right side
    1,143,379.99x = 989,540,305,477.13
  5. Step 5: Solve for x
    x = 989,540,305,477.13/1,143,379.99
  6. Step 6: Final answer
    x = 865,451.83

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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.