Home / 619,180.77-928,857.24-219,726.57

Finding the Fourth Proportional to 619,180.77, 928,857.24 and 219,726.57

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Solution

The fourth proportional to 619,180.77, 928,857.24 and 219,726.57 is: 329,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,180.77 : 928,857.24 = 219,726.57 : x
  2. Step 2: Convert to fraction form
    619,180.77/928,857.24 = 219,726.57/x
  3. Step 3: Cross multiply
    619,180.77x = 928,857.24 × 219,726.57
  4. Step 4: Simplify right side
    619,180.77x = 204,094,615,364.87
  5. Step 5: Solve for x
    x = 204,094,615,364.87/619,180.77
  6. Step 6: Final answer
    x = 329,620.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.