Home / 1,181,074.39-1,629,864.25-664,827.17

Finding the Fourth Proportional to 1,181,074.39, 1,629,864.25 and 664,827.17

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Solution

The fourth proportional to 1,181,074.39, 1,629,864.25 and 664,827.17 is: 917,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,074.39 : 1,629,864.25 = 664,827.17 : x
  2. Step 2: Convert to fraction form
    1,181,074.39/1,629,864.25 = 664,827.17/x
  3. Step 3: Cross multiply
    1,181,074.39x = 1,629,864.25 × 664,827.17
  4. Step 4: Simplify right side
    1,181,074.39x = 1,083,578,027,000.28
  5. Step 5: Solve for x
    x = 1,083,578,027,000.28/1,181,074.39
  6. Step 6: Final answer
    x = 917,451.13

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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.