Home / 588,469.59-811,879.17-384,638.22

Finding the Fourth Proportional to 588,469.59, 811,879.17 and 384,638.22

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Solution

The fourth proportional to 588,469.59, 811,879.17 and 384,638.22 is: 530,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,469.59 : 811,879.17 = 384,638.22 : x
  2. Step 2: Convert to fraction form
    588,469.59/811,879.17 = 384,638.22/x
  3. Step 3: Cross multiply
    588,469.59x = 811,879.17 × 384,638.22
  4. Step 4: Simplify right side
    588,469.59x = 312,279,758,803.88
  5. Step 5: Solve for x
    x = 312,279,758,803.88/588,469.59
  6. Step 6: Final answer
    x = 530,664.22

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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.