Home / 394,328.10-590,714.55-227,921.70

Finding the Fourth Proportional to 394,328.10, 590,714.55 and 227,921.70

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Solution

The fourth proportional to 394,328.10, 590,714.55 and 227,921.70 is: 341,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,328.10 : 590,714.55 = 227,921.70 : x
  2. Step 2: Convert to fraction form
    394,328.10/590,714.55 = 227,921.70/x
  3. Step 3: Cross multiply
    394,328.10x = 590,714.55 × 227,921.70
  4. Step 4: Simplify right side
    394,328.10x = 134,636,664,450.74
  5. Step 5: Solve for x
    x = 134,636,664,450.74/394,328.10
  6. Step 6: Final answer
    x = 341,433.10

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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.