Home / 1,152,197.80-1,728,296.70-1,078,469.80

Finding the Fourth Proportional to 1,152,197.80, 1,728,296.70 and 1,078,469.80

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Solution

The fourth proportional to 1,152,197.80, 1,728,296.70 and 1,078,469.80 is: 1,617,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,197.80 : 1,728,296.70 = 1,078,469.80 : x
  2. Step 2: Convert to fraction form
    1,152,197.80/1,728,296.70 = 1,078,469.80/x
  3. Step 3: Cross multiply
    1,152,197.80x = 1,728,296.70 × 1,078,469.80
  4. Step 4: Simplify right side
    1,152,197.80x = 1,863,915,796,389.66
  5. Step 5: Solve for x
    x = 1,863,915,796,389.66/1,152,197.80
  6. Step 6: Final answer
    x = 1,617,704.70

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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.