Home / 669,485.22-1,004,294.06-220,023.92

Finding the Fourth Proportional to 669,485.22, 1,004,294.06 and 220,023.92

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Solution

The fourth proportional to 669,485.22, 1,004,294.06 and 220,023.92 is: 330,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,485.22 : 1,004,294.06 = 220,023.92 : x
  2. Step 2: Convert to fraction form
    669,485.22/1,004,294.06 = 220,023.92/x
  3. Step 3: Cross multiply
    669,485.22x = 1,004,294.06 × 220,023.92
  4. Step 4: Simplify right side
    669,485.22x = 220,968,715,913.92
  5. Step 5: Solve for x
    x = 220,968,715,913.92/669,485.22
  6. Step 6: Final answer
    x = 330,057.65

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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.