Home / 513,208.54-769,844.31-197,666.38

Finding the Fourth Proportional to 513,208.54, 769,844.31 and 197,666.38

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Solution

The fourth proportional to 513,208.54, 769,844.31 and 197,666.38 is: 296,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,208.54 : 769,844.31 = 197,666.38 : x
  2. Step 2: Convert to fraction form
    513,208.54/769,844.31 = 197,666.38/x
  3. Step 3: Cross multiply
    513,208.54x = 769,844.31 × 197,666.38
  4. Step 4: Simplify right side
    513,208.54x = 152,172,337,921.30
  5. Step 5: Solve for x
    x = 152,172,337,921.30/513,208.54
  6. Step 6: Final answer
    x = 296,511.70

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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.