Home / 766,105.29-1,149,114.20-292,838.49

Finding the Fourth Proportional to 766,105.29, 1,149,114.20 and 292,838.49

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Solution

The fourth proportional to 766,105.29, 1,149,114.20 and 292,838.49 is: 439,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,105.29 : 1,149,114.20 = 292,838.49 : x
  2. Step 2: Convert to fraction form
    766,105.29/1,149,114.20 = 292,838.49/x
  3. Step 3: Cross multiply
    766,105.29x = 1,149,114.20 × 292,838.49
  4. Step 4: Simplify right side
    766,105.29x = 336,504,865,701.37
  5. Step 5: Solve for x
    x = 336,504,865,701.37/766,105.29
  6. Step 6: Final answer
    x = 439,241.02

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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.