Home / 677,882.36-1,016,219.46-257,453.48

Finding the Fourth Proportional to 677,882.36, 1,016,219.46 and 257,453.48

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Solution

The fourth proportional to 677,882.36, 1,016,219.46 and 257,453.48 is: 385,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,882.36 : 1,016,219.46 = 257,453.48 : x
  2. Step 2: Convert to fraction form
    677,882.36/1,016,219.46 = 257,453.48/x
  3. Step 3: Cross multiply
    677,882.36x = 1,016,219.46 × 257,453.48
  4. Step 4: Simplify right side
    677,882.36x = 261,629,236,420.72
  5. Step 5: Solve for x
    x = 261,629,236,420.72/677,882.36
  6. Step 6: Final answer
    x = 385,950.80

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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.