Home / 1,149,361.85-1,586,119.25-666,207.25

Finding the Fourth Proportional to 1,149,361.85, 1,586,119.25 and 666,207.25

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Solution

The fourth proportional to 1,149,361.85, 1,586,119.25 and 666,207.25 is: 919,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,361.85 : 1,586,119.25 = 666,207.25 : x
  2. Step 2: Convert to fraction form
    1,149,361.85/1,586,119.25 = 666,207.25/x
  3. Step 3: Cross multiply
    1,149,361.85x = 1,586,119.25 × 666,207.25
  4. Step 4: Simplify right side
    1,149,361.85x = 1,056,684,140,383.53
  5. Step 5: Solve for x
    x = 1,056,684,140,383.53/1,149,361.85
  6. Step 6: Final answer
    x = 919,365.94

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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.