Home / 1,261,541.35-1,740,899.32-688,591.09

Finding the Fourth Proportional to 1,261,541.35, 1,740,899.32 and 688,591.09

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Solution

The fourth proportional to 1,261,541.35, 1,740,899.32 and 688,591.09 is: 950,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,541.35 : 1,740,899.32 = 688,591.09 : x
  2. Step 2: Convert to fraction form
    1,261,541.35/1,740,899.32 = 688,591.09/x
  3. Step 3: Cross multiply
    1,261,541.35x = 1,740,899.32 × 688,591.09
  4. Step 4: Simplify right side
    1,261,541.35x = 1,198,767,760,339.06
  5. Step 5: Solve for x
    x = 1,198,767,760,339.06/1,261,541.35
  6. Step 6: Final answer
    x = 950,240.56

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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.