Home / 669,140.25-923,414.38-363,216.47

Finding the Fourth Proportional to 669,140.25, 923,414.38 and 363,216.47

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Solution

The fourth proportional to 669,140.25, 923,414.38 and 363,216.47 is: 501,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,140.25 : 923,414.38 = 363,216.47 : x
  2. Step 2: Convert to fraction form
    669,140.25/923,414.38 = 363,216.47/x
  3. Step 3: Cross multiply
    669,140.25x = 923,414.38 × 363,216.47
  4. Step 4: Simplify right side
    669,140.25x = 335,399,311,450.84
  5. Step 5: Solve for x
    x = 335,399,311,450.84/669,140.25
  6. Step 6: Final answer
    x = 501,239.18

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1.5x scale

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.