Home / 449,141.64-619,919.70-296,207.46

Finding the Fourth Proportional to 449,141.64, 619,919.70 and 296,207.46

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Solution

The fourth proportional to 449,141.64, 619,919.70 and 296,207.46 is: 408,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,141.64 : 619,919.70 = 296,207.46 : x
  2. Step 2: Convert to fraction form
    449,141.64/619,919.70 = 296,207.46/x
  3. Step 3: Cross multiply
    449,141.64x = 619,919.70 × 296,207.46
  4. Step 4: Simplify right side
    449,141.64x = 183,624,839,740.96
  5. Step 5: Solve for x
    x = 183,624,839,740.96/449,141.64
  6. Step 6: Final answer
    x = 408,835.04

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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.