Home / 545,230.20-817,845.30-171,252.60

Finding the Fourth Proportional to 545,230.20, 817,845.30 and 171,252.60

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Solution

The fourth proportional to 545,230.20, 817,845.30 and 171,252.60 is: 256,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,230.20 : 817,845.30 = 171,252.60 : x
  2. Step 2: Convert to fraction form
    545,230.20/817,845.30 = 171,252.60/x
  3. Step 3: Cross multiply
    545,230.20x = 817,845.30 × 171,252.60
  4. Step 4: Simplify right side
    545,230.20x = 140,058,134,022.78
  5. Step 5: Solve for x
    x = 140,058,134,022.78/545,230.20
  6. Step 6: Final answer
    x = 256,878.90

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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.