Home / 470,622.20-705,933.30-115,631.60

Finding the Fourth Proportional to 470,622.20, 705,933.30 and 115,631.60

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Solution

The fourth proportional to 470,622.20, 705,933.30 and 115,631.60 is: 173,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,622.20 : 705,933.30 = 115,631.60 : x
  2. Step 2: Convert to fraction form
    470,622.20/705,933.30 = 115,631.60/x
  3. Step 3: Cross multiply
    470,622.20x = 705,933.30 × 115,631.60
  4. Step 4: Simplify right side
    470,622.20x = 81,628,196,972.28
  5. Step 5: Solve for x
    x = 81,628,196,972.28/470,622.20
  6. Step 6: Final answer
    x = 173,447.40

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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.