Home / 741,045.31-1,022,643.20-401,513.56

Finding the Fourth Proportional to 741,045.31, 1,022,643.20 and 401,513.56

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Solution

The fourth proportional to 741,045.31, 1,022,643.20 and 401,513.56 is: 554,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,045.31 : 1,022,643.20 = 401,513.56 : x
  2. Step 2: Convert to fraction form
    741,045.31/1,022,643.20 = 401,513.56/x
  3. Step 3: Cross multiply
    741,045.31x = 1,022,643.20 × 401,513.56
  4. Step 4: Simplify right side
    741,045.31x = 410,605,110,288.97
  5. Step 5: Solve for x
    x = 410,605,110,288.97/741,045.31
  6. Step 6: Final answer
    x = 554,089.08

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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.