Home / 1,328,116.60-1,981,816.39-1,184,977.90

Finding the Fourth Proportional to 1,328,116.60, 1,981,816.39 and 1,184,977.90

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Solution

The fourth proportional to 1,328,116.60, 1,981,816.39 and 1,184,977.90 is: 1,768,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,116.60 : 1,981,816.39 = 1,184,977.90 : x
  2. Step 2: Convert to fraction form
    1,328,116.60/1,981,816.39 = 1,184,977.90/x
  3. Step 3: Cross multiply
    1,328,116.60x = 1,981,816.39 × 1,184,977.90
  4. Step 4: Simplify right side
    1,328,116.60x = 2,348,408,624,007.78
  5. Step 5: Solve for x
    x = 2,348,408,624,007.78/1,328,116.60
  6. Step 6: Final answer
    x = 1,768,224.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.