Home / 449,119.12-619,986.46-296,247.82

Finding the Fourth Proportional to 449,119.12, 619,986.46 and 296,247.82

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Solution

The fourth proportional to 449,119.12, 619,986.46 and 296,247.82 is: 408,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,119.12 : 619,986.46 = 296,247.82 : x
  2. Step 2: Convert to fraction form
    449,119.12/619,986.46 = 296,247.82/x
  3. Step 3: Cross multiply
    449,119.12x = 619,986.46 × 296,247.82
  4. Step 4: Simplify right side
    449,119.12x = 183,669,634,104.59
  5. Step 5: Solve for x
    x = 183,669,634,104.59/449,119.12
  6. Step 6: Final answer
    x = 408,955.28

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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.