Home / 933,215.60-1,398,786.60-512,793.20

Finding the Fourth Proportional to 933,215.60, 1,398,786.60 and 512,793.20

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Solution

The fourth proportional to 933,215.60, 1,398,786.60 and 512,793.20 is: 768,620.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,215.60 : 1,398,786.60 = 512,793.20 : x
  2. Step 2: Convert to fraction form
    933,215.60/1,398,786.60 = 512,793.20/x
  3. Step 3: Cross multiply
    933,215.60x = 1,398,786.60 × 512,793.20
  4. Step 4: Simplify right side
    933,215.60x = 717,288,256,731.12
  5. Step 5: Solve for x
    x = 717,288,256,731.12/933,215.60
  6. Step 6: Final answer
    x = 768,620.09

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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.