Home / 856,367.05-1,179,090.30-727,049.74

Finding the Fourth Proportional to 856,367.05, 1,179,090.30 and 727,049.74

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Solution

The fourth proportional to 856,367.05, 1,179,090.30 and 727,049.74 is: 1,001,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,367.05 : 1,179,090.30 = 727,049.74 : x
  2. Step 2: Convert to fraction form
    856,367.05/1,179,090.30 = 727,049.74/x
  3. Step 3: Cross multiply
    856,367.05x = 1,179,090.30 × 727,049.74
  4. Step 4: Simplify right side
    856,367.05x = 857,257,296,051.52
  5. Step 5: Solve for x
    x = 857,257,296,051.52/856,367.05
  6. Step 6: Final answer
    x = 1,001,039.56

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1.5x scale

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.