Home / 598,107.81-825,390.15-339,986.43

Finding the Fourth Proportional to 598,107.81, 825,390.15 and 339,986.43

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Solution

The fourth proportional to 598,107.81, 825,390.15 and 339,986.43 is: 469,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,107.81 : 825,390.15 = 339,986.43 : x
  2. Step 2: Convert to fraction form
    598,107.81/825,390.15 = 339,986.43/x
  3. Step 3: Cross multiply
    598,107.81x = 825,390.15 × 339,986.43
  4. Step 4: Simplify right side
    598,107.81x = 280,621,450,455.67
  5. Step 5: Solve for x
    x = 280,621,450,455.67/598,107.81
  6. Step 6: Final answer
    x = 469,182.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.