Home / 986,613.89-1,475,644.92-580,839.12

Finding the Fourth Proportional to 986,613.89, 1,475,644.92 and 580,839.12

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Solution

The fourth proportional to 986,613.89, 1,475,644.92 and 580,839.12 is: 868,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,613.89 : 1,475,644.92 = 580,839.12 : x
  2. Step 2: Convert to fraction form
    986,613.89/1,475,644.92 = 580,839.12/x
  3. Step 3: Cross multiply
    986,613.89x = 1,475,644.92 × 580,839.12
  4. Step 4: Simplify right side
    986,613.89x = 857,112,296,765.27
  5. Step 5: Solve for x
    x = 857,112,296,765.27/986,613.89
  6. Step 6: Final answer
    x = 868,741.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.