Home / 439,140.96-605,986.38-245,564.62

Finding the Fourth Proportional to 439,140.96, 605,986.38 and 245,564.62

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Solution

The fourth proportional to 439,140.96, 605,986.38 and 245,564.62 is: 338,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,140.96 : 605,986.38 = 245,564.62 : x
  2. Step 2: Convert to fraction form
    439,140.96/605,986.38 = 245,564.62/x
  3. Step 3: Cross multiply
    439,140.96x = 605,986.38 × 245,564.62
  4. Step 4: Simplify right side
    439,140.96x = 148,808,813,614.91
  5. Step 5: Solve for x
    x = 148,808,813,614.91/439,140.96
  6. Step 6: Final answer
    x = 338,863.43

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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.