Home / 394,052.96-543,814.08-224,341.76

Finding the Fourth Proportional to 394,052.96, 543,814.08 and 224,341.76

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Solution

The fourth proportional to 394,052.96, 543,814.08 and 224,341.76 is: 309,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,052.96 : 543,814.08 = 224,341.76 : x
  2. Step 2: Convert to fraction form
    394,052.96/543,814.08 = 224,341.76/x
  3. Step 3: Cross multiply
    394,052.96x = 543,814.08 × 224,341.76
  4. Step 4: Simplify right side
    394,052.96x = 122,000,207,819.98
  5. Step 5: Solve for x
    x = 122,000,207,819.98/394,052.96
  6. Step 6: Final answer
    x = 309,603.58

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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.