Home / 1,211,134.18-1,816,640.87-452,919.89

Finding the Fourth Proportional to 1,211,134.18, 1,816,640.87 and 452,919.89

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Solution

The fourth proportional to 1,211,134.18, 1,816,640.87 and 452,919.89 is: 679,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,134.18 : 1,816,640.87 = 452,919.89 : x
  2. Step 2: Convert to fraction form
    1,211,134.18/1,816,640.87 = 452,919.89/x
  3. Step 3: Cross multiply
    1,211,134.18x = 1,816,640.87 × 452,919.89
  4. Step 4: Simplify right side
    1,211,134.18x = 822,792,780,745.31
  5. Step 5: Solve for x
    x = 822,792,780,745.31/1,211,134.18
  6. Step 6: Final answer
    x = 679,357.25

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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.