Home / 862,862.56-1,294,293.84-263,823.76

Finding the Fourth Proportional to 862,862.56, 1,294,293.84 and 263,823.76

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Solution

The fourth proportional to 862,862.56, 1,294,293.84 and 263,823.76 is: 395,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,862.56 : 1,294,293.84 = 263,823.76 : x
  2. Step 2: Convert to fraction form
    862,862.56/1,294,293.84 = 263,823.76/x
  3. Step 3: Cross multiply
    862,862.56x = 1,294,293.84 × 263,823.76
  4. Step 4: Simplify right side
    862,862.56x = 341,465,467,413.64
  5. Step 5: Solve for x
    x = 341,465,467,413.64/862,862.56
  6. Step 6: Final answer
    x = 395,735.64

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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.