Home / 1,115,297.42-1,539,119.84-605,999.79

Finding the Fourth Proportional to 1,115,297.42, 1,539,119.84 and 605,999.79

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Solution

The fourth proportional to 1,115,297.42, 1,539,119.84 and 605,999.79 is: 836,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,297.42 : 1,539,119.84 = 605,999.79 : x
  2. Step 2: Convert to fraction form
    1,115,297.42/1,539,119.84 = 605,999.79/x
  3. Step 3: Cross multiply
    1,115,297.42x = 1,539,119.84 × 605,999.79
  4. Step 4: Simplify right side
    1,115,297.42x = 932,706,296,794.84
  5. Step 5: Solve for x
    x = 932,706,296,794.84/1,115,297.42
  6. Step 6: Final answer
    x = 836,284.82

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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.