Home / 588,806.39-812,165.30-425,190.43

Finding the Fourth Proportional to 588,806.39, 812,165.30 and 425,190.43

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Solution

The fourth proportional to 588,806.39, 812,165.30 and 425,190.43 is: 586,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,806.39 : 812,165.30 = 425,190.43 : x
  2. Step 2: Convert to fraction form
    588,806.39/812,165.30 = 425,190.43/x
  3. Step 3: Cross multiply
    588,806.39x = 812,165.30 × 425,190.43
  4. Step 4: Simplify right side
    588,806.39x = 345,324,912,170.64
  5. Step 5: Solve for x
    x = 345,324,912,170.64/588,806.39
  6. Step 6: Final answer
    x = 586,482.96

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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.