Home / 1,272,777-1,756,387.30-699,813.16

Finding the Fourth Proportional to 1,272,777, 1,756,387.30 and 699,813.16

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Solution

The fourth proportional to 1,272,777, 1,756,387.30 and 699,813.16 is: 965,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,777 : 1,756,387.30 = 699,813.16 : x
  2. Step 2: Convert to fraction form
    1,272,777/1,756,387.30 = 699,813.16/x
  3. Step 3: Cross multiply
    1,272,777x = 1,756,387.30 × 699,813.16
  4. Step 4: Simplify right side
    1,272,777x = 1,229,142,946,596.87
  5. Step 5: Solve for x
    x = 1,229,142,946,596.87/1,272,777
  6. Step 6: Final answer
    x = 965,717.44

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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.