Home / 823,211.41-1,234,858.53-262,289.65

Finding the Fourth Proportional to 823,211.41, 1,234,858.53 and 262,289.65

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Solution

The fourth proportional to 823,211.41, 1,234,858.53 and 262,289.65 is: 393,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,211.41 : 1,234,858.53 = 262,289.65 : x
  2. Step 2: Convert to fraction form
    823,211.41/1,234,858.53 = 262,289.65/x
  3. Step 3: Cross multiply
    823,211.41x = 1,234,858.53 × 262,289.65
  4. Step 4: Simplify right side
    823,211.41x = 323,890,611,633.22
  5. Step 5: Solve for x
    x = 323,890,611,633.22/823,211.41
  6. Step 6: Final answer
    x = 393,447.67

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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.