Home / 741,112.89-1,022,739.35-401,581.77

Finding the Fourth Proportional to 741,112.89, 1,022,739.35 and 401,581.77

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Solution

The fourth proportional to 741,112.89, 1,022,739.35 and 401,581.77 is: 554,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,112.89 : 1,022,739.35 = 401,581.77 : x
  2. Step 2: Convert to fraction form
    741,112.89/1,022,739.35 = 401,581.77/x
  3. Step 3: Cross multiply
    741,112.89x = 1,022,739.35 × 401,581.77
  4. Step 4: Simplify right side
    741,112.89x = 410,713,476,413.74
  5. Step 5: Solve for x
    x = 410,713,476,413.74/741,112.89
  6. Step 6: Final answer
    x = 554,184.77

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Double scale
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1.5x scale

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.