Home / 893,186.40-1,339,779.60-809,205.60

Finding the Fourth Proportional to 893,186.40, 1,339,779.60 and 809,205.60

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Solution

The fourth proportional to 893,186.40, 1,339,779.60 and 809,205.60 is: 1,213,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,186.40 : 1,339,779.60 = 809,205.60 : x
  2. Step 2: Convert to fraction form
    893,186.40/1,339,779.60 = 809,205.60/x
  3. Step 3: Cross multiply
    893,186.40x = 1,339,779.60 × 809,205.60
  4. Step 4: Simplify right side
    893,186.40x = 1,084,157,155,085.76
  5. Step 5: Solve for x
    x = 1,084,157,155,085.76/893,186.40
  6. Step 6: Final answer
    x = 1,213,808.40

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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.