Home / 1,082,664.76-1,624,161.12-785,388.58

Finding the Fourth Proportional to 1,082,664.76, 1,624,161.12 and 785,388.58

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Solution

The fourth proportional to 1,082,664.76, 1,624,161.12 and 785,388.58 is: 1,178,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,664.76 : 1,624,161.12 = 785,388.58 : x
  2. Step 2: Convert to fraction form
    1,082,664.76/1,624,161.12 = 785,388.58/x
  3. Step 3: Cross multiply
    1,082,664.76x = 1,624,161.12 × 785,388.58
  4. Step 4: Simplify right side
    1,082,664.76x = 1,275,597,595,728.01
  5. Step 5: Solve for x
    x = 1,275,597,595,728.01/1,082,664.76
  6. Step 6: Final answer
    x = 1,178,201.82

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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.