Home / 1,182,777.72-1,632,232.26-638,913.33

Finding the Fourth Proportional to 1,182,777.72, 1,632,232.26 and 638,913.33

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Solution

The fourth proportional to 1,182,777.72, 1,632,232.26 and 638,913.33 is: 881,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,777.72 : 1,632,232.26 = 638,913.33 : x
  2. Step 2: Convert to fraction form
    1,182,777.72/1,632,232.26 = 638,913.33/x
  3. Step 3: Cross multiply
    1,182,777.72x = 1,632,232.26 × 638,913.33
  4. Step 4: Simplify right side
    1,182,777.72x = 1,042,854,948,570.03
  5. Step 5: Solve for x
    x = 1,042,854,948,570.03/1,182,777.72
  6. Step 6: Final answer
    x = 881,699.86

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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.