Home / 670,520.53-1,005,780.51-197,205.92

Finding the Fourth Proportional to 670,520.53, 1,005,780.51 and 197,205.92

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Solution

The fourth proportional to 670,520.53, 1,005,780.51 and 197,205.92 is: 295,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,520.53 : 1,005,780.51 = 197,205.92 : x
  2. Step 2: Convert to fraction form
    670,520.53/1,005,780.51 = 197,205.92/x
  3. Step 3: Cross multiply
    670,520.53x = 1,005,780.51 × 197,205.92
  4. Step 4: Simplify right side
    670,520.53x = 198,345,865,763.72
  5. Step 5: Solve for x
    x = 198,345,865,763.72/670,520.53
  6. Step 6: Final answer
    x = 295,808.79

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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.