Home / 1,181,661.40-1,770,159.30-706,936.60

Finding the Fourth Proportional to 1,181,661.40, 1,770,159.30 and 706,936.60

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Solution

The fourth proportional to 1,181,661.40, 1,770,159.30 and 706,936.60 is: 1,059,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,661.40 : 1,770,159.30 = 706,936.60 : x
  2. Step 2: Convert to fraction form
    1,181,661.40/1,770,159.30 = 706,936.60/x
  3. Step 3: Cross multiply
    1,181,661.40x = 1,770,159.30 × 706,936.60
  4. Step 4: Simplify right side
    1,181,661.40x = 1,251,390,397,000.38
  5. Step 5: Solve for x
    x = 1,251,390,397,000.38/1,181,661.40
  6. Step 6: Final answer
    x = 1,059,009.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.