Home / 394,586.80-591,880.20-268,615.60

Finding the Fourth Proportional to 394,586.80, 591,880.20 and 268,615.60

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Solution

The fourth proportional to 394,586.80, 591,880.20 and 268,615.60 is: 402,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,586.80 : 591,880.20 = 268,615.60 : x
  2. Step 2: Convert to fraction form
    394,586.80/591,880.20 = 268,615.60/x
  3. Step 3: Cross multiply
    394,586.80x = 591,880.20 × 268,615.60
  4. Step 4: Simplify right side
    394,586.80x = 158,988,255,051.12
  5. Step 5: Solve for x
    x = 158,988,255,051.12/394,586.80
  6. Step 6: Final answer
    x = 402,923.40

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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.