Home / 670,240.08-1,005,520.44-196,914.96

Finding the Fourth Proportional to 670,240.08, 1,005,520.44 and 196,914.96

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Solution

The fourth proportional to 670,240.08, 1,005,520.44 and 196,914.96 is: 295,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,240.08 : 1,005,520.44 = 196,914.96 : x
  2. Step 2: Convert to fraction form
    670,240.08/1,005,520.44 = 196,914.96/x
  3. Step 3: Cross multiply
    670,240.08x = 1,005,520.44 × 196,914.96
  4. Step 4: Simplify right side
    670,240.08x = 198,002,017,221.78
  5. Step 5: Solve for x
    x = 198,002,017,221.78/670,240.08
  6. Step 6: Final answer
    x = 295,419.54

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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.