Home / 409,830.23-565,568.19-228,553.62

Finding the Fourth Proportional to 409,830.23, 565,568.19 and 228,553.62

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Solution

The fourth proportional to 409,830.23, 565,568.19 and 228,553.62 is: 315,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,830.23 : 565,568.19 = 228,553.62 : x
  2. Step 2: Convert to fraction form
    409,830.23/565,568.19 = 228,553.62/x
  3. Step 3: Cross multiply
    409,830.23x = 565,568.19 × 228,553.62
  4. Step 4: Simplify right side
    409,830.23x = 129,262,657,181.35
  5. Step 5: Solve for x
    x = 129,262,657,181.35/409,830.23
  6. Step 6: Final answer
    x = 315,405.37

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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.