Home / 892,124.72-1,231,133.34-484,226.64

Finding the Fourth Proportional to 892,124.72, 1,231,133.34 and 484,226.64

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Solution

The fourth proportional to 892,124.72, 1,231,133.34 and 484,226.64 is: 668,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,124.72 : 1,231,133.34 = 484,226.64 : x
  2. Step 2: Convert to fraction form
    892,124.72/1,231,133.34 = 484,226.64/x
  3. Step 3: Cross multiply
    892,124.72x = 1,231,133.34 × 484,226.64
  4. Step 4: Simplify right side
    892,124.72x = 596,147,562,436.03
  5. Step 5: Solve for x
    x = 596,147,562,436.03/892,124.72
  6. Step 6: Final answer
    x = 668,233.43

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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.