Home / 809,734.20-1,214,601.30-544,313.40

Finding the Fourth Proportional to 809,734.20, 1,214,601.30 and 544,313.40

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Solution

The fourth proportional to 809,734.20, 1,214,601.30 and 544,313.40 is: 816,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,734.20 : 1,214,601.30 = 544,313.40 : x
  2. Step 2: Convert to fraction form
    809,734.20/1,214,601.30 = 544,313.40/x
  3. Step 3: Cross multiply
    809,734.20x = 1,214,601.30 × 544,313.40
  4. Step 4: Simplify right side
    809,734.20x = 661,123,763,247.42
  5. Step 5: Solve for x
    x = 661,123,763,247.42/809,734.20
  6. Step 6: Final answer
    x = 816,470.10

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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.