Home / 1,266,265.82-1,747,613.58-722,276.90

Finding the Fourth Proportional to 1,266,265.82, 1,747,613.58 and 722,276.90

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Solution

The fourth proportional to 1,266,265.82, 1,747,613.58 and 722,276.90 is: 996,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,265.82 : 1,747,613.58 = 722,276.90 : x
  2. Step 2: Convert to fraction form
    1,266,265.82/1,747,613.58 = 722,276.90/x
  3. Step 3: Cross multiply
    1,266,265.82x = 1,747,613.58 × 722,276.90
  4. Step 4: Simplify right side
    1,266,265.82x = 1,262,260,918,960.30
  5. Step 5: Solve for x
    x = 1,262,260,918,960.30/1,266,265.82
  6. Step 6: Final answer
    x = 996,837.24

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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.