Home / 1,261,771.92-1,741,275.09-688,816.41

Finding the Fourth Proportional to 1,261,771.92, 1,741,275.09 and 688,816.41

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Solution

The fourth proportional to 1,261,771.92, 1,741,275.09 and 688,816.41 is: 950,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,771.92 : 1,741,275.09 = 688,816.41 : x
  2. Step 2: Convert to fraction form
    1,261,771.92/1,741,275.09 = 688,816.41/x
  3. Step 3: Cross multiply
    1,261,771.92x = 1,741,275.09 × 688,816.41
  4. Step 4: Simplify right side
    1,261,771.92x = 1,199,418,856,316.23
  5. Step 5: Solve for x
    x = 1,199,418,856,316.23/1,261,771.92
  6. Step 6: Final answer
    x = 950,582.94

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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.