Home / 677,873.62-1,015,759.19-392,857.24

Finding the Fourth Proportional to 677,873.62, 1,015,759.19 and 392,857.24

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Solution

The fourth proportional to 677,873.62, 1,015,759.19 and 392,857.24 is: 588,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,873.62 : 1,015,759.19 = 392,857.24 : x
  2. Step 2: Convert to fraction form
    677,873.62/1,015,759.19 = 392,857.24/x
  3. Step 3: Cross multiply
    677,873.62x = 1,015,759.19 × 392,857.24
  4. Step 4: Simplify right side
    677,873.62x = 399,048,355,968.09
  5. Step 5: Solve for x
    x = 399,048,355,968.09/677,873.62
  6. Step 6: Final answer
    x = 588,676.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.