Home / 385,916.73-579,405.27-196,504.30

Finding the Fourth Proportional to 385,916.73, 579,405.27 and 196,504.30

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Solution

The fourth proportional to 385,916.73, 579,405.27 and 196,504.30 is: 295,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,916.73 : 579,405.27 = 196,504.30 : x
  2. Step 2: Convert to fraction form
    385,916.73/579,405.27 = 196,504.30/x
  3. Step 3: Cross multiply
    385,916.73x = 579,405.27 × 196,504.30
  4. Step 4: Simplify right side
    385,916.73x = 113,855,626,997.66
  5. Step 5: Solve for x
    x = 113,855,626,997.66/385,916.73
  6. Step 6: Final answer
    x = 295,026.41

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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.