Home / 449,070.66-619,821.54-296,136.36

Finding the Fourth Proportional to 449,070.66, 619,821.54 and 296,136.36

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Solution

The fourth proportional to 449,070.66, 619,821.54 and 296,136.36 is: 408,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,070.66 : 619,821.54 = 296,136.36 : x
  2. Step 2: Convert to fraction form
    449,070.66/619,821.54 = 296,136.36/x
  3. Step 3: Cross multiply
    449,070.66x = 619,821.54 × 296,136.36
  4. Step 4: Simplify right side
    449,070.66x = 183,551,694,705.19
  5. Step 5: Solve for x
    x = 183,551,694,705.19/449,070.66
  6. Step 6: Final answer
    x = 408,736.78

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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.