Home / 693,136.80-1,039,705.20-194,500.80

Finding the Fourth Proportional to 693,136.80, 1,039,705.20 and 194,500.80

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Solution

The fourth proportional to 693,136.80, 1,039,705.20 and 194,500.80 is: 291,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,136.80 : 1,039,705.20 = 194,500.80 : x
  2. Step 2: Convert to fraction form
    693,136.80/1,039,705.20 = 194,500.80/x
  3. Step 3: Cross multiply
    693,136.80x = 1,039,705.20 × 194,500.80
  4. Step 4: Simplify right side
    693,136.80x = 202,223,493,164.16
  5. Step 5: Solve for x
    x = 202,223,493,164.16/693,136.80
  6. Step 6: Final answer
    x = 291,751.20

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Similar ratio
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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.