Home / 1,211,163.12-1,816,794.90-452,928.60

Finding the Fourth Proportional to 1,211,163.12, 1,816,794.90 and 452,928.60

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Solution

The fourth proportional to 1,211,163.12, 1,816,794.90 and 452,928.60 is: 679,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,163.12 : 1,816,794.90 = 452,928.60 : x
  2. Step 2: Convert to fraction form
    1,211,163.12/1,816,794.90 = 452,928.60/x
  3. Step 3: Cross multiply
    1,211,163.12x = 1,816,794.90 × 452,928.60
  4. Step 4: Simplify right side
    1,211,163.12x = 822,878,370,544.14
  5. Step 5: Solve for x
    x = 822,878,370,544.14/1,211,163.12
  6. Step 6: Final answer
    x = 679,411.68

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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.