Home / 677,881.36-1,016,217.96-257,452.48

Finding the Fourth Proportional to 677,881.36, 1,016,217.96 and 257,452.48

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Solution

The fourth proportional to 677,881.36, 1,016,217.96 and 257,452.48 is: 385,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,881.36 : 1,016,217.96 = 257,452.48 : x
  2. Step 2: Convert to fraction form
    677,881.36/1,016,217.96 = 257,452.48/x
  3. Step 3: Cross multiply
    677,881.36x = 1,016,217.96 × 257,452.48
  4. Step 4: Simplify right side
    677,881.36x = 261,627,834,022.54
  5. Step 5: Solve for x
    x = 261,627,834,022.54/677,881.36
  6. Step 6: Final answer
    x = 385,949.30

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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.