Home / 1,131,175.98-1,561,033.44-621,882

Finding the Fourth Proportional to 1,131,175.98, 1,561,033.44 and 621,882

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Solution

The fourth proportional to 1,131,175.98, 1,561,033.44 and 621,882 is: 858,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,175.98 : 1,561,033.44 = 621,882 : x
  2. Step 2: Convert to fraction form
    1,131,175.98/1,561,033.44 = 621,882/x
  3. Step 3: Cross multiply
    1,131,175.98x = 1,561,033.44 × 621,882
  4. Step 4: Simplify right side
    1,131,175.98x = 970,778,597,734.08
  5. Step 5: Solve for x
    x = 970,778,597,734.08/1,131,175.98
  6. Step 6: Final answer
    x = 858,202.98

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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.