Home / 1,198,061.51-1,653,333.19-654,201.38

Finding the Fourth Proportional to 1,198,061.51, 1,653,333.19 and 654,201.38

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Solution

The fourth proportional to 1,198,061.51, 1,653,333.19 and 654,201.38 is: 902,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,061.51 : 1,653,333.19 = 654,201.38 : x
  2. Step 2: Convert to fraction form
    1,198,061.51/1,653,333.19 = 654,201.38/x
  3. Step 3: Cross multiply
    1,198,061.51x = 1,653,333.19 × 654,201.38
  4. Step 4: Simplify right side
    1,198,061.51x = 1,081,612,854,497.80
  5. Step 5: Solve for x
    x = 1,081,612,854,497.80/1,198,061.51
  6. Step 6: Final answer
    x = 902,802.44

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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.