Home / 1,131,611.16-1,561,592.25-622,313.55

Finding the Fourth Proportional to 1,131,611.16, 1,561,592.25 and 622,313.55

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Solution

The fourth proportional to 1,131,611.16, 1,561,592.25 and 622,313.55 is: 858,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,611.16 : 1,561,592.25 = 622,313.55 : x
  2. Step 2: Convert to fraction form
    1,131,611.16/1,561,592.25 = 622,313.55/x
  3. Step 3: Cross multiply
    1,131,611.16x = 1,561,592.25 × 622,313.55
  4. Step 4: Simplify right side
    1,131,611.16x = 971,800,016,749.99
  5. Step 5: Solve for x
    x = 971,800,016,749.99/1,131,611.16
  6. Step 6: Final answer
    x = 858,775.57

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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.