Home / 805,608.01-1,111,716.88-443,031.87

Finding the Fourth Proportional to 805,608.01, 1,111,716.88 and 443,031.87

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Solution

The fourth proportional to 805,608.01, 1,111,716.88 and 443,031.87 is: 611,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,608.01 : 1,111,716.88 = 443,031.87 : x
  2. Step 2: Convert to fraction form
    805,608.01/1,111,716.88 = 443,031.87/x
  3. Step 3: Cross multiply
    805,608.01x = 1,111,716.88 × 443,031.87
  4. Step 4: Simplify right side
    805,608.01x = 492,526,008,256.97
  5. Step 5: Solve for x
    x = 492,526,008,256.97/805,608.01
  6. Step 6: Final answer
    x = 611,371.79

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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.