Home / 419,607.14-579,050.46-228,621.86

Finding the Fourth Proportional to 419,607.14, 579,050.46 and 228,621.86

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Solution

The fourth proportional to 419,607.14, 579,050.46 and 228,621.86 is: 315,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,607.14 : 579,050.46 = 228,621.86 : x
  2. Step 2: Convert to fraction form
    419,607.14/579,050.46 = 228,621.86/x
  3. Step 3: Cross multiply
    419,607.14x = 579,050.46 × 228,621.86
  4. Step 4: Simplify right side
    419,607.14x = 132,383,593,199.06
  5. Step 5: Solve for x
    x = 132,383,593,199.06/419,607.14
  6. Step 6: Final answer
    x = 315,494.14

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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.