Home / 1,183,861.70-1,776,120.60-785,280.95

Finding the Fourth Proportional to 1,183,861.70, 1,776,120.60 and 785,280.95

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Solution

The fourth proportional to 1,183,861.70, 1,776,120.60 and 785,280.95 is: 1,178,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,861.70 : 1,776,120.60 = 785,280.95 : x
  2. Step 2: Convert to fraction form
    1,183,861.70/1,776,120.60 = 785,280.95/x
  3. Step 3: Cross multiply
    1,183,861.70x = 1,776,120.60 × 785,280.95
  4. Step 4: Simplify right side
    1,183,861.70x = 1,394,753,672,082.57
  5. Step 5: Solve for x
    x = 1,394,753,672,082.57/1,183,861.70
  6. Step 6: Final answer
    x = 1,178,139.03

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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.