Home / 449,586.24-619,785.42-277,389.18

Finding the Fourth Proportional to 449,586.24, 619,785.42 and 277,389.18

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Solution

The fourth proportional to 449,586.24, 619,785.42 and 277,389.18 is: 382,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,586.24 : 619,785.42 = 277,389.18 : x
  2. Step 2: Convert to fraction form
    449,586.24/619,785.42 = 277,389.18/x
  3. Step 3: Cross multiply
    449,586.24x = 619,785.42 × 277,389.18
  4. Step 4: Simplify right side
    449,586.24x = 171,921,769,429.76
  5. Step 5: Solve for x
    x = 171,921,769,429.76/449,586.24
  6. Step 6: Final answer
    x = 382,399.98

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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.