Home / 609,845.57-914,770.35-154,436.55

Finding the Fourth Proportional to 609,845.57, 914,770.35 and 154,436.55

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Solution

The fourth proportional to 609,845.57, 914,770.35 and 154,436.55 is: 231,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,845.57 : 914,770.35 = 154,436.55 : x
  2. Step 2: Convert to fraction form
    609,845.57/914,770.35 = 154,436.55/x
  3. Step 3: Cross multiply
    609,845.57x = 914,770.35 × 154,436.55
  4. Step 4: Simplify right side
    609,845.57x = 141,273,976,896.29
  5. Step 5: Solve for x
    x = 141,273,976,896.29/609,845.57
  6. Step 6: Final answer
    x = 231,655.33

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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.