Home / 492,836.09-739,142.64-226,340.42

Finding the Fourth Proportional to 492,836.09, 739,142.64 and 226,340.42

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Solution

The fourth proportional to 492,836.09, 739,142.64 and 226,340.42 is: 339,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,836.09 : 739,142.64 = 226,340.42 : x
  2. Step 2: Convert to fraction form
    492,836.09/739,142.64 = 226,340.42/x
  3. Step 3: Cross multiply
    492,836.09x = 739,142.64 × 226,340.42
  4. Step 4: Simplify right side
    492,836.09x = 167,297,851,881.80
  5. Step 5: Solve for x
    x = 167,297,851,881.80/492,836.09
  6. Step 6: Final answer
    x = 339,459.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.