Home / 629,940.17-869,671.19-436,628.81

Finding the Fourth Proportional to 629,940.17, 869,671.19 and 436,628.81

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Solution

The fourth proportional to 629,940.17, 869,671.19 and 436,628.81 is: 602,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,940.17 : 869,671.19 = 436,628.81 : x
  2. Step 2: Convert to fraction form
    629,940.17/869,671.19 = 436,628.81/x
  3. Step 3: Cross multiply
    629,940.17x = 869,671.19 × 436,628.81
  4. Step 4: Simplify right side
    629,940.17x = 379,723,496,780.98
  5. Step 5: Solve for x
    x = 379,723,496,780.98/629,940.17
  6. Step 6: Final answer
    x = 602,792.96

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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.