Home / 1,275,347.42-1,760,058.98-702,387.44

Finding the Fourth Proportional to 1,275,347.42, 1,760,058.98 and 702,387.44

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Solution

The fourth proportional to 1,275,347.42, 1,760,058.98 and 702,387.44 is: 969,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,347.42 : 1,760,058.98 = 702,387.44 : x
  2. Step 2: Convert to fraction form
    1,275,347.42/1,760,058.98 = 702,387.44/x
  3. Step 3: Cross multiply
    1,275,347.42x = 1,760,058.98 × 702,387.44
  4. Step 4: Simplify right side
    1,275,347.42x = 1,236,243,321,211.21
  5. Step 5: Solve for x
    x = 1,236,243,321,211.21/1,275,347.42
  6. Step 6: Final answer
    x = 969,338.47

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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.