Home / 449,816.33-674,391.17-272,281.34

Finding the Fourth Proportional to 449,816.33, 674,391.17 and 272,281.34

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Solution

The fourth proportional to 449,816.33, 674,391.17 and 272,281.34 is: 408,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,816.33 : 674,391.17 = 272,281.34 : x
  2. Step 2: Convert to fraction form
    449,816.33/674,391.17 = 272,281.34/x
  3. Step 3: Cross multiply
    449,816.33x = 674,391.17 × 272,281.34
  4. Step 4: Simplify right side
    449,816.33x = 183,624,133,818.45
  5. Step 5: Solve for x
    x = 183,624,133,818.45/449,816.33
  6. Step 6: Final answer
    x = 408,220.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.