Home / 449,127.28-619,899.85-296,193.07

Finding the Fourth Proportional to 449,127.28, 619,899.85 and 296,193.07

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Solution

The fourth proportional to 449,127.28, 619,899.85 and 296,193.07 is: 408,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,127.28 : 619,899.85 = 296,193.07 : x
  2. Step 2: Convert to fraction form
    449,127.28/619,899.85 = 296,193.07/x
  3. Step 3: Cross multiply
    449,127.28x = 619,899.85 × 296,193.07
  4. Step 4: Simplify right side
    449,127.28x = 183,610,039,664.04
  5. Step 5: Solve for x
    x = 183,610,039,664.04/449,127.28
  6. Step 6: Final answer
    x = 408,815.16

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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.