Home / 1,212,940.40-1,816,300.20-895,679.60

Finding the Fourth Proportional to 1,212,940.40, 1,816,300.20 and 895,679.60

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Solution

The fourth proportional to 1,212,940.40, 1,816,300.20 and 895,679.60 is: 1,341,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,940.40 : 1,816,300.20 = 895,679.60 : x
  2. Step 2: Convert to fraction form
    1,212,940.40/1,816,300.20 = 895,679.60/x
  3. Step 3: Cross multiply
    1,212,940.40x = 1,816,300.20 × 895,679.60
  4. Step 4: Simplify right side
    1,212,940.40x = 1,626,823,036,615.92
  5. Step 5: Solve for x
    x = 1,626,823,036,615.92/1,212,940.40
  6. Step 6: Final answer
    x = 1,341,222.57

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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.