Home / 383,854.38-529,719.75-214,099.44

Finding the Fourth Proportional to 383,854.38, 529,719.75 and 214,099.44

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Solution

The fourth proportional to 383,854.38, 529,719.75 and 214,099.44 is: 295,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,854.38 : 529,719.75 = 214,099.44 : x
  2. Step 2: Convert to fraction form
    383,854.38/529,719.75 = 214,099.44/x
  3. Step 3: Cross multiply
    383,854.38x = 529,719.75 × 214,099.44
  4. Step 4: Simplify right side
    383,854.38x = 113,412,701,831.94
  5. Step 5: Solve for x
    x = 113,412,701,831.94/383,854.38
  6. Step 6: Final answer
    x = 295,457.62

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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.