Home / 1,182,778.72-1,632,233.64-638,914.33

Finding the Fourth Proportional to 1,182,778.72, 1,632,233.64 and 638,914.33

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Solution

The fourth proportional to 1,182,778.72, 1,632,233.64 and 638,914.33 is: 881,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,778.72 : 1,632,233.64 = 638,914.33 : x
  2. Step 2: Convert to fraction form
    1,182,778.72/1,632,233.64 = 638,914.33/x
  3. Step 3: Cross multiply
    1,182,778.72x = 1,632,233.64 × 638,914.33
  4. Step 4: Simplify right side
    1,182,778.72x = 1,042,857,462,504.06
  5. Step 5: Solve for x
    x = 1,042,857,462,504.06/1,182,778.72
  6. Step 6: Final answer
    x = 881,701.24

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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.