Home / 703,675.99-1,055,114.11-276,980.55

Finding the Fourth Proportional to 703,675.99, 1,055,114.11 and 276,980.55

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Solution

The fourth proportional to 703,675.99, 1,055,114.11 and 276,980.55 is: 415,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,675.99 : 1,055,114.11 = 276,980.55 : x
  2. Step 2: Convert to fraction form
    703,675.99/1,055,114.11 = 276,980.55/x
  3. Step 3: Cross multiply
    703,675.99x = 1,055,114.11 × 276,980.55
  4. Step 4: Simplify right side
    703,675.99x = 292,246,086,500.56
  5. Step 5: Solve for x
    x = 292,246,086,500.56/703,675.99
  6. Step 6: Final answer
    x = 415,313.43

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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.