Home / 1,198,035.57-1,653,356.16-654,221.91

Finding the Fourth Proportional to 1,198,035.57, 1,653,356.16 and 654,221.91

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Solution

The fourth proportional to 1,198,035.57, 1,653,356.16 and 654,221.91 is: 902,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,035.57 : 1,653,356.16 = 654,221.91 : x
  2. Step 2: Convert to fraction form
    1,198,035.57/1,653,356.16 = 654,221.91/x
  3. Step 3: Cross multiply
    1,198,035.57x = 1,653,356.16 × 654,221.91
  4. Step 4: Simplify right side
    1,198,035.57x = 1,081,661,824,905.47
  5. Step 5: Solve for x
    x = 1,081,661,824,905.47/1,198,035.57
  6. Step 6: Final answer
    x = 902,862.86

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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.