Home / 1,131,612.66-1,561,594.32-622,315.04

Finding the Fourth Proportional to 1,131,612.66, 1,561,594.32 and 622,315.04

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Solution

The fourth proportional to 1,131,612.66, 1,561,594.32 and 622,315.04 is: 858,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,612.66 : 1,561,594.32 = 622,315.04 : x
  2. Step 2: Convert to fraction form
    1,131,612.66/1,561,594.32 = 622,315.04/x
  3. Step 3: Cross multiply
    1,131,612.66x = 1,561,594.32 × 622,315.04
  4. Step 4: Simplify right side
    1,131,612.66x = 971,803,623,906.60
  5. Step 5: Solve for x
    x = 971,803,623,906.60/1,131,612.66
  6. Step 6: Final answer
    x = 858,777.62

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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.