Home / 1,182,735.20-1,632,175.19-638,870.97

Finding the Fourth Proportional to 1,182,735.20, 1,632,175.19 and 638,870.97

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Solution

The fourth proportional to 1,182,735.20, 1,632,175.19 and 638,870.97 is: 881,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,735.20 : 1,632,175.19 = 638,870.97 : x
  2. Step 2: Convert to fraction form
    1,182,735.20/1,632,175.19 = 638,870.97/x
  3. Step 3: Cross multiply
    1,182,735.20x = 1,632,175.19 × 638,870.97
  4. Step 4: Simplify right side
    1,182,735.20x = 1,042,749,348,442.41
  5. Step 5: Solve for x
    x = 1,042,749,348,442.41/1,182,735.20
  6. Step 6: Final answer
    x = 881,642.28

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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.