Home / 1,131,608.40-1,561,588.41-622,310.76

Finding the Fourth Proportional to 1,131,608.40, 1,561,588.41 and 622,310.76

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Solution

The fourth proportional to 1,131,608.40, 1,561,588.41 and 622,310.76 is: 858,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,608.40 : 1,561,588.41 = 622,310.76 : x
  2. Step 2: Convert to fraction form
    1,131,608.40/1,561,588.41 = 622,310.76/x
  3. Step 3: Cross multiply
    1,131,608.40x = 1,561,588.41 × 622,310.76
  4. Step 4: Simplify right side
    1,131,608.40x = 971,793,270,234.29
  5. Step 5: Solve for x
    x = 971,793,270,234.29/1,131,608.40
  6. Step 6: Final answer
    x = 858,771.70

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1.5x scale

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.