Home / 1,263,522.78-1,743,635.55-690,567.06

Finding the Fourth Proportional to 1,263,522.78, 1,743,635.55 and 690,567.06

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Solution

The fourth proportional to 1,263,522.78, 1,743,635.55 and 690,567.06 is: 952,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,522.78 : 1,743,635.55 = 690,567.06 : x
  2. Step 2: Convert to fraction form
    1,263,522.78/1,743,635.55 = 690,567.06/x
  3. Step 3: Cross multiply
    1,263,522.78x = 1,743,635.55 × 690,567.06
  4. Step 4: Simplify right side
    1,263,522.78x = 1,204,097,275,474.98
  5. Step 5: Solve for x
    x = 1,204,097,275,474.98/1,263,522.78
  6. Step 6: Final answer
    x = 952,968.39

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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.