Home / 825,463.99-1,238,068.27-339,195.43

Finding the Fourth Proportional to 825,463.99, 1,238,068.27 and 339,195.43

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Solution

The fourth proportional to 825,463.99, 1,238,068.27 and 339,195.43 is: 508,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,463.99 : 1,238,068.27 = 339,195.43 : x
  2. Step 2: Convert to fraction form
    825,463.99/1,238,068.27 = 339,195.43/x
  3. Step 3: Cross multiply
    825,463.99x = 1,238,068.27 × 339,195.43
  4. Step 4: Simplify right side
    825,463.99x = 419,947,099,212.01
  5. Step 5: Solve for x
    x = 419,947,099,212.01/825,463.99
  6. Step 6: Final answer
    x = 508,740.67

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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.