Home / 1,131,714.78-1,561,740.74-622,425.66

Finding the Fourth Proportional to 1,131,714.78, 1,561,740.74 and 622,425.66

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Solution

The fourth proportional to 1,131,714.78, 1,561,740.74 and 622,425.66 is: 858,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,714.78 : 1,561,740.74 = 622,425.66 : x
  2. Step 2: Convert to fraction form
    1,131,714.78/1,561,740.74 = 622,425.66/x
  3. Step 3: Cross multiply
    1,131,714.78x = 1,561,740.74 × 622,425.66
  4. Step 4: Simplify right side
    1,131,714.78x = 972,067,510,843.39
  5. Step 5: Solve for x
    x = 972,067,510,843.39/1,131,714.78
  6. Step 6: Final answer
    x = 858,933.30

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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.