Home / 741,046.82-1,022,645.28-401,515.07

Finding the Fourth Proportional to 741,046.82, 1,022,645.28 and 401,515.07

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Solution

The fourth proportional to 741,046.82, 1,022,645.28 and 401,515.07 is: 554,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,046.82 : 1,022,645.28 = 401,515.07 : x
  2. Step 2: Convert to fraction form
    741,046.82/1,022,645.28 = 401,515.07/x
  3. Step 3: Cross multiply
    741,046.82x = 1,022,645.28 × 401,515.07
  4. Step 4: Simplify right side
    741,046.82x = 410,607,486,071.14
  5. Step 5: Solve for x
    x = 410,607,486,071.14/741,046.82
  6. Step 6: Final answer
    x = 554,091.16

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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.