Home / 1,188,692.28-1,783,564.92-480,104.28

Finding the Fourth Proportional to 1,188,692.28, 1,783,564.92 and 480,104.28

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Solution

The fourth proportional to 1,188,692.28, 1,783,564.92 and 480,104.28 is: 720,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,692.28 : 1,783,564.92 = 480,104.28 : x
  2. Step 2: Convert to fraction form
    1,188,692.28/1,783,564.92 = 480,104.28/x
  3. Step 3: Cross multiply
    1,188,692.28x = 1,783,564.92 × 480,104.28
  4. Step 4: Simplify right side
    1,188,692.28x = 856,297,151,749.86
  5. Step 5: Solve for x
    x = 856,297,151,749.86/1,188,692.28
  6. Step 6: Final answer
    x = 720,369.07

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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.