Home / 629,114.70-868,188.15-342,634.56

Finding the Fourth Proportional to 629,114.70, 868,188.15 and 342,634.56

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Solution

The fourth proportional to 629,114.70, 868,188.15 and 342,634.56 is: 472,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,114.70 : 868,188.15 = 342,634.56 : x
  2. Step 2: Convert to fraction form
    629,114.70/868,188.15 = 342,634.56/x
  3. Step 3: Cross multiply
    629,114.70x = 868,188.15 × 342,634.56
  4. Step 4: Simplify right side
    629,114.70x = 297,471,264,772.46
  5. Step 5: Solve for x
    x = 297,471,264,772.46/629,114.70
  6. Step 6: Final answer
    x = 472,841.07

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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.