Home / 541,529.20-812,070.24-204,512.50

Finding the Fourth Proportional to 541,529.20, 812,070.24 and 204,512.50

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Solution

The fourth proportional to 541,529.20, 812,070.24 and 204,512.50 is: 306,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,529.20 : 812,070.24 = 204,512.50 : x
  2. Step 2: Convert to fraction form
    541,529.20/812,070.24 = 204,512.50/x
  3. Step 3: Cross multiply
    541,529.20x = 812,070.24 × 204,512.50
  4. Step 4: Simplify right side
    541,529.20x = 166,078,514,958
  5. Step 5: Solve for x
    x = 166,078,514,958/541,529.20
  6. Step 6: Final answer
    x = 306,684.32

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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.