Home / 1,131,612.16-1,561,593.63-622,314.54

Finding the Fourth Proportional to 1,131,612.16, 1,561,593.63 and 622,314.54

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Solution

The fourth proportional to 1,131,612.16, 1,561,593.63 and 622,314.54 is: 858,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,612.16 : 1,561,593.63 = 622,314.54 : x
  2. Step 2: Convert to fraction form
    1,131,612.16/1,561,593.63 = 622,314.54/x
  3. Step 3: Cross multiply
    1,131,612.16x = 1,561,593.63 × 622,314.54
  4. Step 4: Simplify right side
    1,131,612.16x = 971,802,421,520.38
  5. Step 5: Solve for x
    x = 971,802,421,520.38/1,131,612.16
  6. Step 6: Final answer
    x = 858,776.93

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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.