Home / 683,759.52-1,025,763.21-342,380.97

Finding the Fourth Proportional to 683,759.52, 1,025,763.21 and 342,380.97

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Solution

The fourth proportional to 683,759.52, 1,025,763.21 and 342,380.97 is: 513,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,759.52 : 1,025,763.21 = 342,380.97 : x
  2. Step 2: Convert to fraction form
    683,759.52/1,025,763.21 = 342,380.97/x
  3. Step 3: Cross multiply
    683,759.52x = 1,025,763.21 × 342,380.97
  4. Step 4: Simplify right side
    683,759.52x = 351,201,802,830.11
  5. Step 5: Solve for x
    x = 351,201,802,830.11/683,759.52
  6. Step 6: Final answer
    x = 513,633.51

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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.