Home / 809,667.96-1,212,956.46-453,604.92

Finding the Fourth Proportional to 809,667.96, 1,212,956.46 and 453,604.92

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Solution

The fourth proportional to 809,667.96, 1,212,956.46 and 453,604.92 is: 679,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,667.96 : 1,212,956.46 = 453,604.92 : x
  2. Step 2: Convert to fraction form
    809,667.96/1,212,956.46 = 453,604.92/x
  3. Step 3: Cross multiply
    809,667.96x = 1,212,956.46 × 453,604.92
  4. Step 4: Simplify right side
    809,667.96x = 550,203,018,001.78
  5. Step 5: Solve for x
    x = 550,203,018,001.78/809,667.96
  6. Step 6: Final answer
    x = 679,541.55

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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.