Home / 741,070.92-1,022,678.56-401,539.17

Finding the Fourth Proportional to 741,070.92, 1,022,678.56 and 401,539.17

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Solution

The fourth proportional to 741,070.92, 1,022,678.56 and 401,539.17 is: 554,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,070.92 : 1,022,678.56 = 401,539.17 : x
  2. Step 2: Convert to fraction form
    741,070.92/1,022,678.56 = 401,539.17/x
  3. Step 3: Cross multiply
    741,070.92x = 1,022,678.56 × 401,539.17
  4. Step 4: Simplify right side
    741,070.92x = 410,645,504,496.16
  5. Step 5: Solve for x
    x = 410,645,504,496.16/741,070.92
  6. Step 6: Final answer
    x = 554,124.43

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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.