Home / 1,683,668.22-2,323,513.05-919,770.96

Finding the Fourth Proportional to 1,683,668.22, 2,323,513.05 and 919,770.96

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Solution

The fourth proportional to 1,683,668.22, 2,323,513.05 and 919,770.96 is: 1,269,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,668.22 : 2,323,513.05 = 919,770.96 : x
  2. Step 2: Convert to fraction form
    1,683,668.22/2,323,513.05 = 919,770.96/x
  3. Step 3: Cross multiply
    1,683,668.22x = 2,323,513.05 × 919,770.96
  4. Step 4: Simplify right side
    1,683,668.22x = 2,137,099,828,571.03
  5. Step 5: Solve for x
    x = 2,137,099,828,571.03/1,683,668.22
  6. Step 6: Final answer
    x = 1,269,311.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.