Home / 439,619.93-659,441.06-119,774.37

Finding the Fourth Proportional to 439,619.93, 659,441.06 and 119,774.37

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Solution

The fourth proportional to 439,619.93, 659,441.06 and 119,774.37 is: 179,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,619.93 : 659,441.06 = 119,774.37 : x
  2. Step 2: Convert to fraction form
    439,619.93/659,441.06 = 119,774.37/x
  3. Step 3: Cross multiply
    439,619.93x = 659,441.06 × 119,774.37
  4. Step 4: Simplify right side
    439,619.93x = 78,984,137,513.63
  5. Step 5: Solve for x
    x = 78,984,137,513.63/439,619.93
  6. Step 6: Final answer
    x = 179,664.60

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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.