Home / 946,629.72-1,306,402.14-516,949.80

Finding the Fourth Proportional to 946,629.72, 1,306,402.14 and 516,949.80

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Solution

The fourth proportional to 946,629.72, 1,306,402.14 and 516,949.80 is: 713,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,629.72 : 1,306,402.14 = 516,949.80 : x
  2. Step 2: Convert to fraction form
    946,629.72/1,306,402.14 = 516,949.80/x
  3. Step 3: Cross multiply
    946,629.72x = 1,306,402.14 × 516,949.80
  4. Step 4: Simplify right side
    946,629.72x = 675,344,324,992.57
  5. Step 5: Solve for x
    x = 675,344,324,992.57/946,629.72
  6. Step 6: Final answer
    x = 713,419.74

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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.