Home / 409,844.96-565,588.52-228,568.40

Finding the Fourth Proportional to 409,844.96, 565,588.52 and 228,568.40

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Solution

The fourth proportional to 409,844.96, 565,588.52 and 228,568.40 is: 315,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,844.96 : 565,588.52 = 228,568.40 : x
  2. Step 2: Convert to fraction form
    409,844.96/565,588.52 = 228,568.40/x
  3. Step 3: Cross multiply
    409,844.96x = 565,588.52 × 228,568.40
  4. Step 4: Simplify right side
    409,844.96x = 129,275,663,074.77
  5. Step 5: Solve for x
    x = 129,275,663,074.77/409,844.96
  6. Step 6: Final answer
    x = 315,425.77

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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.