Home / 639,110.58-882,292.22-397,471.01

Finding the Fourth Proportional to 639,110.58, 882,292.22 and 397,471.01

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Solution

The fourth proportional to 639,110.58, 882,292.22 and 397,471.01 is: 548,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,110.58 : 882,292.22 = 397,471.01 : x
  2. Step 2: Convert to fraction form
    639,110.58/882,292.22 = 397,471.01/x
  3. Step 3: Cross multiply
    639,110.58x = 882,292.22 × 397,471.01
  4. Step 4: Simplify right side
    639,110.58x = 350,685,573,399.73
  5. Step 5: Solve for x
    x = 350,685,573,399.73/639,110.58
  6. Step 6: Final answer
    x = 548,708.76

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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.