Home / 699,496.20-1,049,244.30-641,176.20

Finding the Fourth Proportional to 699,496.20, 1,049,244.30 and 641,176.20

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Solution

The fourth proportional to 699,496.20, 1,049,244.30 and 641,176.20 is: 961,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,496.20 : 1,049,244.30 = 641,176.20 : x
  2. Step 2: Convert to fraction form
    699,496.20/1,049,244.30 = 641,176.20/x
  3. Step 3: Cross multiply
    699,496.20x = 1,049,244.30 × 641,176.20
  4. Step 4: Simplify right side
    699,496.20x = 672,750,473,145.66
  5. Step 5: Solve for x
    x = 672,750,473,145.66/699,496.20
  6. Step 6: Final answer
    x = 961,764.30

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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.