Home / 439,493.30-659,181.39-123,975.62

Finding the Fourth Proportional to 439,493.30, 659,181.39 and 123,975.62

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Solution

The fourth proportional to 439,493.30, 659,181.39 and 123,975.62 is: 185,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,493.30 : 659,181.39 = 123,975.62 : x
  2. Step 2: Convert to fraction form
    439,493.30/659,181.39 = 123,975.62/x
  3. Step 3: Cross multiply
    439,493.30x = 659,181.39 × 123,975.62
  4. Step 4: Simplify right side
    439,493.30x = 81,722,421,517.71
  5. Step 5: Solve for x
    x = 81,722,421,517.71/439,493.30
  6. Step 6: Final answer
    x = 185,946.91

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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.