Home / 703,672.99-1,055,109.61-276,977.55

Finding the Fourth Proportional to 703,672.99, 1,055,109.61 and 276,977.55

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Solution

The fourth proportional to 703,672.99, 1,055,109.61 and 276,977.55 is: 415,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,672.99 : 1,055,109.61 = 276,977.55 : x
  2. Step 2: Convert to fraction form
    703,672.99/1,055,109.61 = 276,977.55/x
  3. Step 3: Cross multiply
    703,672.99x = 1,055,109.61 × 276,977.55
  4. Step 4: Simplify right side
    703,672.99x = 292,241,674,759.26
  5. Step 5: Solve for x
    x = 292,241,674,759.26/703,672.99
  6. Step 6: Final answer
    x = 415,308.93

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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.