Home / 470,410.96-705,735.24-204,106.72

Finding the Fourth Proportional to 470,410.96, 705,735.24 and 204,106.72

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Solution

The fourth proportional to 470,410.96, 705,735.24 and 204,106.72 is: 306,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,410.96 : 705,735.24 = 204,106.72 : x
  2. Step 2: Convert to fraction form
    470,410.96/705,735.24 = 204,106.72/x
  3. Step 3: Cross multiply
    470,410.96x = 705,735.24 × 204,106.72
  4. Step 4: Simplify right side
    470,410.96x = 144,045,305,024.81
  5. Step 5: Solve for x
    x = 144,045,305,024.81/470,410.96
  6. Step 6: Final answer
    x = 306,211.63

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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.