Home / 1,261,827.60-1,741,348.44-688,891.92

Finding the Fourth Proportional to 1,261,827.60, 1,741,348.44 and 688,891.92

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Solution

The fourth proportional to 1,261,827.60, 1,741,348.44 and 688,891.92 is: 950,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,827.60 : 1,741,348.44 = 688,891.92 : x
  2. Step 2: Convert to fraction form
    1,261,827.60/1,741,348.44 = 688,891.92/x
  3. Step 3: Cross multiply
    1,261,827.60x = 1,741,348.44 × 688,891.92
  4. Step 4: Simplify right side
    1,261,827.60x = 1,199,600,870,220.60
  5. Step 5: Solve for x
    x = 1,199,600,870,220.60/1,261,827.60
  6. Step 6: Final answer
    x = 950,685.24

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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.