Home / 470,624.20-705,936.30-115,633.60

Finding the Fourth Proportional to 470,624.20, 705,936.30 and 115,633.60

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Solution

The fourth proportional to 470,624.20, 705,936.30 and 115,633.60 is: 173,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,624.20 : 705,936.30 = 115,633.60 : x
  2. Step 2: Convert to fraction form
    470,624.20/705,936.30 = 115,633.60/x
  3. Step 3: Cross multiply
    470,624.20x = 705,936.30 × 115,633.60
  4. Step 4: Simplify right side
    470,624.20x = 81,629,955,739.68
  5. Step 5: Solve for x
    x = 81,629,955,739.68/470,624.20
  6. Step 6: Final answer
    x = 173,450.40

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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.