Home / 1,192,998.92-1,789,553.66-340,128.45

Finding the Fourth Proportional to 1,192,998.92, 1,789,553.66 and 340,128.45

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Solution

The fourth proportional to 1,192,998.92, 1,789,553.66 and 340,128.45 is: 510,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,998.92 : 1,789,553.66 = 340,128.45 : x
  2. Step 2: Convert to fraction form
    1,192,998.92/1,789,553.66 = 340,128.45/x
  3. Step 3: Cross multiply
    1,192,998.92x = 1,789,553.66 × 340,128.45
  4. Step 4: Simplify right side
    1,192,998.92x = 608,678,110,866.99
  5. Step 5: Solve for x
    x = 608,678,110,866.99/1,192,998.92
  6. Step 6: Final answer
    x = 510,208.44

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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.