Home / 863,960.30-1,294,889.79-611,313.59

Finding the Fourth Proportional to 863,960.30, 1,294,889.79 and 611,313.59

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Solution

The fourth proportional to 863,960.30, 1,294,889.79 and 611,313.59 is: 916,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,960.30 : 1,294,889.79 = 611,313.59 : x
  2. Step 2: Convert to fraction form
    863,960.30/1,294,889.79 = 611,313.59/x
  3. Step 3: Cross multiply
    863,960.30x = 1,294,889.79 × 611,313.59
  4. Step 4: Simplify right side
    863,960.30x = 791,583,726,179.25
  5. Step 5: Solve for x
    x = 791,583,726,179.25/863,960.30
  6. Step 6: Final answer
    x = 916,226.97

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1.5x scale

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.