Home / 1,131,612.40-1,561,593.92-622,314.76

Finding the Fourth Proportional to 1,131,612.40, 1,561,593.92 and 622,314.76

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Solution

The fourth proportional to 1,131,612.40, 1,561,593.92 and 622,314.76 is: 858,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,612.40 : 1,561,593.92 = 622,314.76 : x
  2. Step 2: Convert to fraction form
    1,131,612.40/1,561,593.92 = 622,314.76/x
  3. Step 3: Cross multiply
    1,131,612.40x = 1,561,593.92 × 622,314.76
  4. Step 4: Simplify right side
    1,131,612.40x = 971,802,945,542.26
  5. Step 5: Solve for x
    x = 971,802,945,542.26/1,131,612.40
  6. Step 6: Final answer
    x = 858,777.22

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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.