Home / 766,718.52-1,149,609.30-367,481.40

Finding the Fourth Proportional to 766,718.52, 1,149,609.30 and 367,481.40

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Solution

The fourth proportional to 766,718.52, 1,149,609.30 and 367,481.40 is: 550,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,718.52 : 1,149,609.30 = 367,481.40 : x
  2. Step 2: Convert to fraction form
    766,718.52/1,149,609.30 = 367,481.40/x
  3. Step 3: Cross multiply
    766,718.52x = 1,149,609.30 × 367,481.40
  4. Step 4: Simplify right side
    766,718.52x = 422,460,035,017.02
  5. Step 5: Solve for x
    x = 422,460,035,017.02/766,718.52
  6. Step 6: Final answer
    x = 550,997.56

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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.