Home / 766,778.15-1,150,380.60-334,533.43

Finding the Fourth Proportional to 766,778.15, 1,150,380.60 and 334,533.43

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Solution

The fourth proportional to 766,778.15, 1,150,380.60 and 334,533.43 is: 501,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,778.15 : 1,150,380.60 = 334,533.43 : x
  2. Step 2: Convert to fraction form
    766,778.15/1,150,380.60 = 334,533.43/x
  3. Step 3: Cross multiply
    766,778.15x = 1,150,380.60 × 334,533.43
  4. Step 4: Simplify right side
    766,778.15x = 384,840,767,923.46
  5. Step 5: Solve for x
    x = 384,840,767,923.46/766,778.15
  6. Step 6: Final answer
    x = 501,893.24

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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.