Home / 629,132.33-868,212.70-342,652.41

Finding the Fourth Proportional to 629,132.33, 868,212.70 and 342,652.41

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Solution

The fourth proportional to 629,132.33, 868,212.70 and 342,652.41 is: 472,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,132.33 : 868,212.70 = 342,652.41 : x
  2. Step 2: Convert to fraction form
    629,132.33/868,212.70 = 342,652.41/x
  3. Step 3: Cross multiply
    629,132.33x = 868,212.70 × 342,652.41
  4. Step 4: Simplify right side
    629,132.33x = 297,495,174,047.61
  5. Step 5: Solve for x
    x = 297,495,174,047.61/629,132.33
  6. Step 6: Final answer
    x = 472,865.82

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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.