Home / 409,439.63-565,044.17-228,151.77

Finding the Fourth Proportional to 409,439.63, 565,044.17 and 228,151.77

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Solution

The fourth proportional to 409,439.63, 565,044.17 and 228,151.77 is: 314,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,439.63 : 565,044.17 = 228,151.77 : x
  2. Step 2: Convert to fraction form
    409,439.63/565,044.17 = 228,151.77/x
  3. Step 3: Cross multiply
    409,439.63x = 565,044.17 × 228,151.77
  4. Step 4: Simplify right side
    409,439.63x = 128,915,826,372.92
  5. Step 5: Solve for x
    x = 128,915,826,372.92/409,439.63
  6. Step 6: Final answer
    x = 314,859.18

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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.