Home / 1,879,811.72-2,819,827.23-531,861.56

Finding the Fourth Proportional to 1,879,811.72, 2,819,827.23 and 531,861.56

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Solution

The fourth proportional to 1,879,811.72, 2,819,827.23 and 531,861.56 is: 797,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,811.72 : 2,819,827.23 = 531,861.56 : x
  2. Step 2: Convert to fraction form
    1,879,811.72/2,819,827.23 = 531,861.56/x
  3. Step 3: Cross multiply
    1,879,811.72x = 2,819,827.23 × 531,861.56
  4. Step 4: Simplify right side
    1,879,811.72x = 1,499,757,709,478.28
  5. Step 5: Solve for x
    x = 1,499,757,709,478.28/1,879,811.72
  6. Step 6: Final answer
    x = 797,823.36

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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.