Home / 766,086.76-1,149,208.62-293,169.88

Finding the Fourth Proportional to 766,086.76, 1,149,208.62 and 293,169.88

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Solution

The fourth proportional to 766,086.76, 1,149,208.62 and 293,169.88 is: 439,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,086.76 : 1,149,208.62 = 293,169.88 : x
  2. Step 2: Convert to fraction form
    766,086.76/1,149,208.62 = 293,169.88/x
  3. Step 3: Cross multiply
    766,086.76x = 1,149,208.62 × 293,169.88
  4. Step 4: Simplify right side
    766,086.76x = 336,913,353,220.37
  5. Step 5: Solve for x
    x = 336,913,353,220.37/766,086.76
  6. Step 6: Final answer
    x = 439,784.85

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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.