Home / 1,261,916.16-1,741,450.20-688,969.44

Finding the Fourth Proportional to 1,261,916.16, 1,741,450.20 and 688,969.44

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Solution

The fourth proportional to 1,261,916.16, 1,741,450.20 and 688,969.44 is: 950,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,916.16 : 1,741,450.20 = 688,969.44 : x
  2. Step 2: Convert to fraction form
    1,261,916.16/1,741,450.20 = 688,969.44/x
  3. Step 3: Cross multiply
    1,261,916.16x = 1,741,450.20 × 688,969.44
  4. Step 4: Simplify right side
    1,261,916.16x = 1,199,805,969,081.89
  5. Step 5: Solve for x
    x = 1,199,805,969,081.89/1,261,916.16
  6. Step 6: Final answer
    x = 950,781.05

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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.