Home / 1,182,755.64-1,632,203.44-638,891.44

Finding the Fourth Proportional to 1,182,755.64, 1,632,203.44 and 638,891.44

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Solution

The fourth proportional to 1,182,755.64, 1,632,203.44 and 638,891.44 is: 881,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,755.64 : 1,632,203.44 = 638,891.44 : x
  2. Step 2: Convert to fraction form
    1,182,755.64/1,632,203.44 = 638,891.44/x
  3. Step 3: Cross multiply
    1,182,755.64x = 1,632,203.44 × 638,891.44
  4. Step 4: Simplify right side
    1,182,755.64x = 1,042,800,806,154.55
  5. Step 5: Solve for x
    x = 1,042,800,806,154.55/1,182,755.64
  6. Step 6: Final answer
    x = 881,670.54

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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.