Home / 449,126.28-619,898.47-296,192.07

Finding the Fourth Proportional to 449,126.28, 619,898.47 and 296,192.07

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Solution

The fourth proportional to 449,126.28, 619,898.47 and 296,192.07 is: 408,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,126.28 : 619,898.47 = 296,192.07 : x
  2. Step 2: Convert to fraction form
    449,126.28/619,898.47 = 296,192.07/x
  3. Step 3: Cross multiply
    449,126.28x = 619,898.47 × 296,192.07
  4. Step 4: Simplify right side
    449,126.28x = 183,609,010,278.65
  5. Step 5: Solve for x
    x = 183,609,010,278.65/449,126.28
  6. Step 6: Final answer
    x = 408,813.78

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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.