Home / 1,261,803.41-1,741,279.85-688,843.58

Finding the Fourth Proportional to 1,261,803.41, 1,741,279.85 and 688,843.58

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Solution

The fourth proportional to 1,261,803.41, 1,741,279.85 and 688,843.58 is: 950,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,803.41 : 1,741,279.85 = 688,843.58 : x
  2. Step 2: Convert to fraction form
    1,261,803.41/1,741,279.85 = 688,843.58/x
  3. Step 3: Cross multiply
    1,261,803.41x = 1,741,279.85 × 688,843.58
  4. Step 4: Simplify right side
    1,261,803.41x = 1,199,469,445,655.86
  5. Step 5: Solve for x
    x = 1,199,469,445,655.86/1,261,803.41
  6. Step 6: Final answer
    x = 950,599.31

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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.