Home / 439,485.30-659,169.39-123,967.62

Finding the Fourth Proportional to 439,485.30, 659,169.39 and 123,967.62

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Solution

The fourth proportional to 439,485.30, 659,169.39 and 123,967.62 is: 185,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,485.30 : 659,169.39 = 123,967.62 : x
  2. Step 2: Convert to fraction form
    439,485.30/659,169.39 = 123,967.62/x
  3. Step 3: Cross multiply
    439,485.30x = 659,169.39 × 123,967.62
  4. Step 4: Simplify right side
    439,485.30x = 81,715,660,455.15
  5. Step 5: Solve for x
    x = 81,715,660,455.15/439,485.30
  6. Step 6: Final answer
    x = 185,934.91

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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.