Home / 741,023.22-1,022,598.71-418,726.38

Finding the Fourth Proportional to 741,023.22, 1,022,598.71 and 418,726.38

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Solution

The fourth proportional to 741,023.22, 1,022,598.71 and 418,726.38 is: 577,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,023.22 : 1,022,598.71 = 418,726.38 : x
  2. Step 2: Convert to fraction form
    741,023.22/1,022,598.71 = 418,726.38/x
  3. Step 3: Cross multiply
    741,023.22x = 1,022,598.71 × 418,726.38
  4. Step 4: Simplify right side
    741,023.22x = 428,189,056,493.84
  5. Step 5: Solve for x
    x = 428,189,056,493.84/741,023.22
  6. Step 6: Final answer
    x = 577,834.87

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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.