Home / 796,811.40-1,195,217.10-513,376.20

Finding the Fourth Proportional to 796,811.40, 1,195,217.10 and 513,376.20

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Solution

The fourth proportional to 796,811.40, 1,195,217.10 and 513,376.20 is: 770,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,811.40 : 1,195,217.10 = 513,376.20 : x
  2. Step 2: Convert to fraction form
    796,811.40/1,195,217.10 = 513,376.20/x
  3. Step 3: Cross multiply
    796,811.40x = 1,195,217.10 × 513,376.20
  4. Step 4: Simplify right side
    796,811.40x = 613,596,012,973.02
  5. Step 5: Solve for x
    x = 613,596,012,973.02/796,811.40
  6. Step 6: Final answer
    x = 770,064.30

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Half scale
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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.