Home / 887,768.42-1,331,849.92-414,195.44

Finding the Fourth Proportional to 887,768.42, 1,331,849.92 and 414,195.44

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Solution

The fourth proportional to 887,768.42, 1,331,849.92 and 414,195.44 is: 621,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,768.42 : 1,331,849.92 = 414,195.44 : x
  2. Step 2: Convert to fraction form
    887,768.42/1,331,849.92 = 414,195.44/x
  3. Step 3: Cross multiply
    887,768.42x = 1,331,849.92 × 414,195.44
  4. Step 4: Simplify right side
    887,768.42x = 551,646,163,628.37
  5. Step 5: Solve for x
    x = 551,646,163,628.37/887,768.42
  6. Step 6: Final answer
    x = 621,385.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.