Home / 1,261,917.16-1,741,451.58-688,970.44

Finding the Fourth Proportional to 1,261,917.16, 1,741,451.58 and 688,970.44

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Solution

The fourth proportional to 1,261,917.16, 1,741,451.58 and 688,970.44 is: 950,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,917.16 : 1,741,451.58 = 688,970.44 : x
  2. Step 2: Convert to fraction form
    1,261,917.16/1,741,451.58 = 688,970.44/x
  3. Step 3: Cross multiply
    1,261,917.16x = 1,741,451.58 × 688,970.44
  4. Step 4: Simplify right side
    1,261,917.16x = 1,199,808,661,311.30
  5. Step 5: Solve for x
    x = 1,199,808,661,311.30/1,261,917.16
  6. Step 6: Final answer
    x = 950,782.43

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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.