Home / 699,109.53-1,048,493.90-193,657.38

Finding the Fourth Proportional to 699,109.53, 1,048,493.90 and 193,657.38

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Solution

The fourth proportional to 699,109.53, 1,048,493.90 and 193,657.38 is: 290,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,109.53 : 1,048,493.90 = 193,657.38 : x
  2. Step 2: Convert to fraction form
    699,109.53/1,048,493.90 = 193,657.38/x
  3. Step 3: Cross multiply
    699,109.53x = 1,048,493.90 × 193,657.38
  4. Step 4: Simplify right side
    699,109.53x = 203,048,580,651.70
  5. Step 5: Solve for x
    x = 203,048,580,651.70/699,109.53
  6. Step 6: Final answer
    x = 290,438.87

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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.