Home / 470,928.03-648,782.37-327,438.96

Finding the Fourth Proportional to 470,928.03, 648,782.37 and 327,438.96

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Solution

The fourth proportional to 470,928.03, 648,782.37 and 327,438.96 is: 451,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,928.03 : 648,782.37 = 327,438.96 : x
  2. Step 2: Convert to fraction form
    470,928.03/648,782.37 = 327,438.96/x
  3. Step 3: Cross multiply
    470,928.03x = 648,782.37 × 327,438.96
  4. Step 4: Simplify right side
    470,928.03x = 212,436,624,499.14
  5. Step 5: Solve for x
    x = 212,436,624,499.14/470,928.03
  6. Step 6: Final answer
    x = 451,102.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.