Home / 629,106.33-868,167.72-342,627.56

Finding the Fourth Proportional to 629,106.33, 868,167.72 and 342,627.56

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Solution

The fourth proportional to 629,106.33, 868,167.72 and 342,627.56 is: 472,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,106.33 : 868,167.72 = 342,627.56 : x
  2. Step 2: Convert to fraction form
    629,106.33/868,167.72 = 342,627.56/x
  3. Step 3: Cross multiply
    629,106.33x = 868,167.72 × 342,627.56
  4. Step 4: Simplify right side
    629,106.33x = 297,458,183,233.53
  5. Step 5: Solve for x
    x = 297,458,183,233.53/629,106.33
  6. Step 6: Final answer
    x = 472,826.56

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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.