Home / 1,241,229.40-1,861,844.10-816,076.60

Finding the Fourth Proportional to 1,241,229.40, 1,861,844.10 and 816,076.60

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Solution

The fourth proportional to 1,241,229.40, 1,861,844.10 and 816,076.60 is: 1,224,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,229.40 : 1,861,844.10 = 816,076.60 : x
  2. Step 2: Convert to fraction form
    1,241,229.40/1,861,844.10 = 816,076.60/x
  3. Step 3: Cross multiply
    1,241,229.40x = 1,861,844.10 × 816,076.60
  4. Step 4: Simplify right side
    1,241,229.40x = 1,519,407,402,858.06
  5. Step 5: Solve for x
    x = 1,519,407,402,858.06/1,241,229.40
  6. Step 6: Final answer
    x = 1,224,114.90

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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.