Home / 986,825.11-1,361,673.72-551,188.79

Finding the Fourth Proportional to 986,825.11, 1,361,673.72 and 551,188.79

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Solution

The fourth proportional to 986,825.11, 1,361,673.72 and 551,188.79 is: 760,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,825.11 : 1,361,673.72 = 551,188.79 : x
  2. Step 2: Convert to fraction form
    986,825.11/1,361,673.72 = 551,188.79/x
  3. Step 3: Cross multiply
    986,825.11x = 1,361,673.72 × 551,188.79
  4. Step 4: Simplify right side
    986,825.11x = 750,539,290,101.60
  5. Step 5: Solve for x
    x = 750,539,290,101.60/986,825.11
  6. Step 6: Final answer
    x = 760,559.58

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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.