Home / 946,379.71-1,305,954.60-516,576.80

Finding the Fourth Proportional to 946,379.71, 1,305,954.60 and 516,576.80

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Solution

The fourth proportional to 946,379.71, 1,305,954.60 and 516,576.80 is: 712,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,379.71 : 1,305,954.60 = 516,576.80 : x
  2. Step 2: Convert to fraction form
    946,379.71/1,305,954.60 = 516,576.80/x
  3. Step 3: Cross multiply
    946,379.71x = 1,305,954.60 × 516,576.80
  4. Step 4: Simplify right side
    946,379.71x = 674,625,852,446.75
  5. Step 5: Solve for x
    x = 674,625,852,446.75/946,379.71
  6. Step 6: Final answer
    x = 712,849.02

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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.