Home / 741,515.43-1,023,288.93-401,983.68

Finding the Fourth Proportional to 741,515.43, 1,023,288.93 and 401,983.68

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Solution

The fourth proportional to 741,515.43, 1,023,288.93 and 401,983.68 is: 554,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,515.43 : 1,023,288.93 = 401,983.68 : x
  2. Step 2: Convert to fraction form
    741,515.43/1,023,288.93 = 401,983.68/x
  3. Step 3: Cross multiply
    741,515.43x = 1,023,288.93 × 401,983.68
  4. Step 4: Simplify right side
    741,515.43x = 411,345,449,784.66
  5. Step 5: Solve for x
    x = 411,345,449,784.66/741,515.43
  6. Step 6: Final answer
    x = 554,736.20

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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.