Home / 1,198,035.32-1,653,355.97-654,221.66

Finding the Fourth Proportional to 1,198,035.32, 1,653,355.97 and 654,221.66

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Solution

The fourth proportional to 1,198,035.32, 1,653,355.97 and 654,221.66 is: 902,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,035.32 : 1,653,355.97 = 654,221.66 : x
  2. Step 2: Convert to fraction form
    1,198,035.32/1,653,355.97 = 654,221.66/x
  3. Step 3: Cross multiply
    1,198,035.32x = 1,653,355.97 × 654,221.66
  4. Step 4: Simplify right side
    1,198,035.32x = 1,081,661,275,726.42
  5. Step 5: Solve for x
    x = 1,081,661,275,726.42/1,198,035.32
  6. Step 6: Final answer
    x = 902,862.60

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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.