Home / 1,131,451.08-1,561,442.66-622,192.20

Finding the Fourth Proportional to 1,131,451.08, 1,561,442.66 and 622,192.20

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Solution

The fourth proportional to 1,131,451.08, 1,561,442.66 and 622,192.20 is: 858,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,451.08 : 1,561,442.66 = 622,192.20 : x
  2. Step 2: Convert to fraction form
    1,131,451.08/1,561,442.66 = 622,192.20/x
  3. Step 3: Cross multiply
    1,131,451.08x = 1,561,442.66 × 622,192.20
  4. Step 4: Simplify right side
    1,131,451.08x = 971,517,443,799.25
  5. Step 5: Solve for x
    x = 971,517,443,799.25/1,131,451.08
  6. Step 6: Final answer
    x = 858,647.33

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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.