Home / 862,889.89-1,294,334.94-263,851.07

Finding the Fourth Proportional to 862,889.89, 1,294,334.94 and 263,851.07

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Solution

The fourth proportional to 862,889.89, 1,294,334.94 and 263,851.07 is: 395,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,889.89 : 1,294,334.94 = 263,851.07 : x
  2. Step 2: Convert to fraction form
    862,889.89/1,294,334.94 = 263,851.07/x
  3. Step 3: Cross multiply
    862,889.89x = 1,294,334.94 × 263,851.07
  4. Step 4: Simplify right side
    862,889.89x = 341,511,660,655.79
  5. Step 5: Solve for x
    x = 341,511,660,655.79/862,889.89
  6. Step 6: Final answer
    x = 395,776.64

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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.