Home / 893,205.40-1,339,808.10-809,224.60

Finding the Fourth Proportional to 893,205.40, 1,339,808.10 and 809,224.60

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Solution

The fourth proportional to 893,205.40, 1,339,808.10 and 809,224.60 is: 1,213,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,205.40 : 1,339,808.10 = 809,224.60 : x
  2. Step 2: Convert to fraction form
    893,205.40/1,339,808.10 = 809,224.60/x
  3. Step 3: Cross multiply
    893,205.40x = 1,339,808.10 × 809,224.60
  4. Step 4: Simplify right side
    893,205.40x = 1,084,205,673,799.26
  5. Step 5: Solve for x
    x = 1,084,205,673,799.26/893,205.40
  6. Step 6: Final answer
    x = 1,213,836.90

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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.