Home / 868,485.85-1,198,510.23-476,016.55

Finding the Fourth Proportional to 868,485.85, 1,198,510.23 and 476,016.55

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Solution

The fourth proportional to 868,485.85, 1,198,510.23 and 476,016.55 is: 656,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,485.85 : 1,198,510.23 = 476,016.55 : x
  2. Step 2: Convert to fraction form
    868,485.85/1,198,510.23 = 476,016.55/x
  3. Step 3: Cross multiply
    868,485.85x = 1,198,510.23 × 476,016.55
  4. Step 4: Simplify right side
    868,485.85x = 570,510,704,824.31
  5. Step 5: Solve for x
    x = 570,510,704,824.31/868,485.85
  6. Step 6: Final answer
    x = 656,902.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.