Home / 1,207,827.80-1,811,741.70-809,696.60

Finding the Fourth Proportional to 1,207,827.80, 1,811,741.70 and 809,696.60

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Solution

The fourth proportional to 1,207,827.80, 1,811,741.70 and 809,696.60 is: 1,214,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,827.80 : 1,811,741.70 = 809,696.60 : x
  2. Step 2: Convert to fraction form
    1,207,827.80/1,811,741.70 = 809,696.60/x
  3. Step 3: Cross multiply
    1,207,827.80x = 1,811,741.70 × 809,696.60
  4. Step 4: Simplify right side
    1,207,827.80x = 1,466,961,094,568.22
  5. Step 5: Solve for x
    x = 1,466,961,094,568.22/1,207,827.80
  6. Step 6: Final answer
    x = 1,214,544.90

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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.