Home / 1,198,542.68-1,653,979.09-654,678.61

Finding the Fourth Proportional to 1,198,542.68, 1,653,979.09 and 654,678.61

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Solution

The fourth proportional to 1,198,542.68, 1,653,979.09 and 654,678.61 is: 903,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,542.68 : 1,653,979.09 = 654,678.61 : x
  2. Step 2: Convert to fraction form
    1,198,542.68/1,653,979.09 = 654,678.61/x
  3. Step 3: Cross multiply
    1,198,542.68x = 1,653,979.09 × 654,678.61
  4. Step 4: Simplify right side
    1,198,542.68x = 1,082,824,731,610.26
  5. Step 5: Solve for x
    x = 1,082,824,731,610.26/1,198,542.68
  6. Step 6: Final answer
    x = 903,451.12

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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.