Home / 749,629.26-1,034,489.64-443,952.24

Finding the Fourth Proportional to 749,629.26, 1,034,489.64 and 443,952.24

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Solution

The fourth proportional to 749,629.26, 1,034,489.64 and 443,952.24 is: 612,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,629.26 : 1,034,489.64 = 443,952.24 : x
  2. Step 2: Convert to fraction form
    749,629.26/1,034,489.64 = 443,952.24/x
  3. Step 3: Cross multiply
    749,629.26x = 1,034,489.64 × 443,952.24
  4. Step 4: Simplify right side
    749,629.26x = 459,263,992,934.79
  5. Step 5: Solve for x
    x = 459,263,992,934.79/749,629.26
  6. Step 6: Final answer
    x = 612,654.84

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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.