Home / 1,192,219.54-1,644,429.02-784,190.94

Finding the Fourth Proportional to 1,192,219.54, 1,644,429.02 and 784,190.94

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Solution

The fourth proportional to 1,192,219.54, 1,644,429.02 and 784,190.94 is: 1,081,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,219.54 : 1,644,429.02 = 784,190.94 : x
  2. Step 2: Convert to fraction form
    1,192,219.54/1,644,429.02 = 784,190.94/x
  3. Step 3: Cross multiply
    1,192,219.54x = 1,644,429.02 × 784,190.94
  4. Step 4: Simplify right side
    1,192,219.54x = 1,289,546,338,957.08
  5. Step 5: Solve for x
    x = 1,289,546,338,957.08/1,192,219.54
  6. Step 6: Final answer
    x = 1,081,634.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.