Home / 629,105.56-868,175.55-342,625.41

Finding the Fourth Proportional to 629,105.56, 868,175.55 and 342,625.41

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Solution

The fourth proportional to 629,105.56, 868,175.55 and 342,625.41 is: 472,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,105.56 : 868,175.55 = 342,625.41 : x
  2. Step 2: Convert to fraction form
    629,105.56/868,175.55 = 342,625.41/x
  3. Step 3: Cross multiply
    629,105.56x = 868,175.55 × 342,625.41
  4. Step 4: Simplify right side
    629,105.56x = 297,459,003,770.73
  5. Step 5: Solve for x
    x = 297,459,003,770.73/629,105.56
  6. Step 6: Final answer
    x = 472,828.45

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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.