Home / 419,512.32-578,986.24-238,269.44

Finding the Fourth Proportional to 419,512.32, 578,986.24 and 238,269.44

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Solution

The fourth proportional to 419,512.32, 578,986.24 and 238,269.44 is: 328,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,512.32 : 578,986.24 = 238,269.44 : x
  2. Step 2: Convert to fraction form
    419,512.32/578,986.24 = 238,269.44/x
  3. Step 3: Cross multiply
    419,512.32x = 578,986.24 × 238,269.44
  4. Step 4: Simplify right side
    419,512.32x = 137,954,727,172.51
  5. Step 5: Solve for x
    x = 137,954,727,172.51/419,512.32
  6. Step 6: Final answer
    x = 328,845.47

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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.