Home / 703,679.35-1,055,119.10-276,983.90

Finding the Fourth Proportional to 703,679.35, 1,055,119.10 and 276,983.90

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Solution

The fourth proportional to 703,679.35, 1,055,119.10 and 276,983.90 is: 415,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,679.35 : 1,055,119.10 = 276,983.90 : x
  2. Step 2: Convert to fraction form
    703,679.35/1,055,119.10 = 276,983.90/x
  3. Step 3: Cross multiply
    703,679.35x = 1,055,119.10 × 276,983.90
  4. Step 4: Simplify right side
    703,679.35x = 292,251,003,282.49
  5. Step 5: Solve for x
    x = 292,251,003,282.49/703,679.35
  6. Step 6: Final answer
    x = 415,318.43

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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.