Home / 766,509.48-1,150,781.58-654,906.87

Finding the Fourth Proportional to 766,509.48, 1,150,781.58 and 654,906.87

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Solution

The fourth proportional to 766,509.48, 1,150,781.58 and 654,906.87 is: 983,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,509.48 : 1,150,781.58 = 654,906.87 : x
  2. Step 2: Convert to fraction form
    766,509.48/1,150,781.58 = 654,906.87/x
  3. Step 3: Cross multiply
    766,509.48x = 1,150,781.58 × 654,906.87
  4. Step 4: Simplify right side
    766,509.48x = 753,654,762,611.46
  5. Step 5: Solve for x
    x = 753,654,762,611.46/766,509.48
  6. Step 6: Final answer
    x = 983,229.54

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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.