Home / 741,025.38-1,022,601.65-418,728.50

Finding the Fourth Proportional to 741,025.38, 1,022,601.65 and 418,728.50

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Solution

The fourth proportional to 741,025.38, 1,022,601.65 and 418,728.50 is: 577,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,025.38 : 1,022,601.65 = 418,728.50 : x
  2. Step 2: Convert to fraction form
    741,025.38/1,022,601.65 = 418,728.50/x
  3. Step 3: Cross multiply
    741,025.38x = 1,022,601.65 × 418,728.50
  4. Step 4: Simplify right side
    741,025.38x = 428,192,455,002.03
  5. Step 5: Solve for x
    x = 428,192,455,002.03/741,025.38
  6. Step 6: Final answer
    x = 577,837.77

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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.