Home / 1,182,736.20-1,632,176.58-638,871.97

Finding the Fourth Proportional to 1,182,736.20, 1,632,176.58 and 638,871.97

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Solution

The fourth proportional to 1,182,736.20, 1,632,176.58 and 638,871.97 is: 881,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,736.20 : 1,632,176.58 = 638,871.97 : x
  2. Step 2: Convert to fraction form
    1,182,736.20/1,632,176.58 = 638,871.97/x
  3. Step 3: Cross multiply
    1,182,736.20x = 1,632,176.58 × 638,871.97
  4. Step 4: Simplify right side
    1,182,736.20x = 1,042,751,863,858.10
  5. Step 5: Solve for x
    x = 1,042,751,863,858.10/1,182,736.20
  6. Step 6: Final answer
    x = 881,643.66

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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.