Home / 439,491.30-659,178.39-123,973.62

Finding the Fourth Proportional to 439,491.30, 659,178.39 and 123,973.62

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Solution

The fourth proportional to 439,491.30, 659,178.39 and 123,973.62 is: 185,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,491.30 : 659,178.39 = 123,973.62 : x
  2. Step 2: Convert to fraction form
    439,491.30/659,178.39 = 123,973.62/x
  3. Step 3: Cross multiply
    439,491.30x = 659,178.39 × 123,973.62
  4. Step 4: Simplify right side
    439,491.30x = 81,720,731,234.07
  5. Step 5: Solve for x
    x = 81,720,731,234.07/439,491.30
  6. Step 6: Final answer
    x = 185,943.91

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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.