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Finding the Fourth Proportional to 1,169,957.55, 1,754,936.33 and 784,662.83

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Solution

The fourth proportional to 1,169,957.55, 1,754,936.33 and 784,662.83 is: 1,176,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,957.55 : 1,754,936.33 = 784,662.83 : x
  2. Step 2: Convert to fraction form
    1,169,957.55/1,754,936.33 = 784,662.83/x
  3. Step 3: Cross multiply
    1,169,957.55x = 1,754,936.33 × 784,662.83
  4. Step 4: Simplify right side
    1,169,957.55x = 1,377,033,294,469.62
  5. Step 5: Solve for x
    x = 1,377,033,294,469.62/1,169,957.55
  6. Step 6: Final answer
    x = 1,176,994.24

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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.