Home / 809,664.96-1,212,951.96-453,601.92

Finding the Fourth Proportional to 809,664.96, 1,212,951.96 and 453,601.92

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Solution

The fourth proportional to 809,664.96, 1,212,951.96 and 453,601.92 is: 679,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,664.96 : 1,212,951.96 = 453,601.92 : x
  2. Step 2: Convert to fraction form
    809,664.96/1,212,951.96 = 453,601.92/x
  3. Step 3: Cross multiply
    809,664.96x = 1,212,951.96 × 453,601.92
  4. Step 4: Simplify right side
    809,664.96x = 550,197,337,923.76
  5. Step 5: Solve for x
    x = 550,197,337,923.76/809,664.96
  6. Step 6: Final answer
    x = 679,537.05

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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.