Home / 670,049.84-1,005,197.86-220,797.20

Finding the Fourth Proportional to 670,049.84, 1,005,197.86 and 220,797.20

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Solution

The fourth proportional to 670,049.84, 1,005,197.86 and 220,797.20 is: 331,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,049.84 : 1,005,197.86 = 220,797.20 : x
  2. Step 2: Convert to fraction form
    670,049.84/1,005,197.86 = 220,797.20/x
  3. Step 3: Cross multiply
    670,049.84x = 1,005,197.86 × 220,797.20
  4. Step 4: Simplify right side
    670,049.84x = 221,944,872,933.99
  5. Step 5: Solve for x
    x = 221,944,872,933.99/670,049.84
  6. Step 6: Final answer
    x = 331,236.36

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Double scale
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Similar ratio
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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.