Home / 558,859.13-771,326.24-329,403.02

Finding the Fourth Proportional to 558,859.13, 771,326.24 and 329,403.02

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Solution

The fourth proportional to 558,859.13, 771,326.24 and 329,403.02 is: 454,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,859.13 : 771,326.24 = 329,403.02 : x
  2. Step 2: Convert to fraction form
    558,859.13/771,326.24 = 329,403.02/x
  3. Step 3: Cross multiply
    558,859.13x = 771,326.24 × 329,403.02
  4. Step 4: Simplify right side
    558,859.13x = 254,077,188,592.86
  5. Step 5: Solve for x
    x = 254,077,188,592.86/558,859.13
  6. Step 6: Final answer
    x = 454,635.48

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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.