Home / 394,686.35-544,916.21-273,785.34

Finding the Fourth Proportional to 394,686.35, 544,916.21 and 273,785.34

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Solution

The fourth proportional to 394,686.35, 544,916.21 and 273,785.34 is: 377,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,686.35 : 544,916.21 = 273,785.34 : x
  2. Step 2: Convert to fraction form
    394,686.35/544,916.21 = 273,785.34/x
  3. Step 3: Cross multiply
    394,686.35x = 544,916.21 × 273,785.34
  4. Step 4: Simplify right side
    394,686.35x = 149,190,068,457.44
  5. Step 5: Solve for x
    x = 149,190,068,457.44/394,686.35
  6. Step 6: Final answer
    x = 377,996.53

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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.