Home / 1,182,735.82-1,632,176.06-638,871.60

Finding the Fourth Proportional to 1,182,735.82, 1,632,176.06 and 638,871.60

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Solution

The fourth proportional to 1,182,735.82, 1,632,176.06 and 638,871.60 is: 881,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,735.82 : 1,632,176.06 = 638,871.60 : x
  2. Step 2: Convert to fraction form
    1,182,735.82/1,632,176.06 = 638,871.60/x
  3. Step 3: Cross multiply
    1,182,735.82x = 1,632,176.06 × 638,871.60
  4. Step 4: Simplify right side
    1,182,735.82x = 1,042,750,930,933.90
  5. Step 5: Solve for x
    x = 1,042,750,930,933.90/1,182,735.82
  6. Step 6: Final answer
    x = 881,643.15

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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.