Home / 374,629.87-516,644.25-245,521.32

Finding the Fourth Proportional to 374,629.87, 516,644.25 and 245,521.32

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Solution

The fourth proportional to 374,629.87, 516,644.25 and 245,521.32 is: 338,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,629.87 : 516,644.25 = 245,521.32 : x
  2. Step 2: Convert to fraction form
    374,629.87/516,644.25 = 245,521.32/x
  3. Step 3: Cross multiply
    374,629.87x = 516,644.25 × 245,521.32
  4. Step 4: Simplify right side
    374,629.87x = 126,847,178,230.41
  5. Step 5: Solve for x
    x = 126,847,178,230.41/374,629.87
  6. Step 6: Final answer
    x = 338,593.34

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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.