Home / 1,012,879.82-1,397,762.82-554,007.57

Finding the Fourth Proportional to 1,012,879.82, 1,397,762.82 and 554,007.57

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Solution

The fourth proportional to 1,012,879.82, 1,397,762.82 and 554,007.57 is: 764,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,879.82 : 1,397,762.82 = 554,007.57 : x
  2. Step 2: Convert to fraction form
    1,012,879.82/1,397,762.82 = 554,007.57/x
  3. Step 3: Cross multiply
    1,012,879.82x = 1,397,762.82 × 554,007.57
  4. Step 4: Simplify right side
    1,012,879.82x = 774,371,183,344.55
  5. Step 5: Solve for x
    x = 774,371,183,344.55/1,012,879.82
  6. Step 6: Final answer
    x = 764,524.25

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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.