Home / 588,749.48-812,489.20-330,647.03

Finding the Fourth Proportional to 588,749.48, 812,489.20 and 330,647.03

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Solution

The fourth proportional to 588,749.48, 812,489.20 and 330,647.03 is: 456,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,749.48 : 812,489.20 = 330,647.03 : x
  2. Step 2: Convert to fraction form
    588,749.48/812,489.20 = 330,647.03/x
  3. Step 3: Cross multiply
    588,749.48x = 812,489.20 × 330,647.03
  4. Step 4: Simplify right side
    588,749.48x = 268,647,135,998.01
  5. Step 5: Solve for x
    x = 268,647,135,998.01/588,749.48
  6. Step 6: Final answer
    x = 456,301.27

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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.