Home / 752,941.78-1,039,052.31-408,770.25

Finding the Fourth Proportional to 752,941.78, 1,039,052.31 and 408,770.25

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Solution

The fourth proportional to 752,941.78, 1,039,052.31 and 408,770.25 is: 564,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,941.78 : 1,039,052.31 = 408,770.25 : x
  2. Step 2: Convert to fraction form
    752,941.78/1,039,052.31 = 408,770.25/x
  3. Step 3: Cross multiply
    752,941.78x = 1,039,052.31 × 408,770.25
  4. Step 4: Simplify right side
    752,941.78x = 424,733,667,092.44
  5. Step 5: Solve for x
    x = 424,733,667,092.44/752,941.78
  6. Step 6: Final answer
    x = 564,098.95

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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.