Home / 786,266.40-1,179,399.60-773,144.40

Finding the Fourth Proportional to 786,266.40, 1,179,399.60 and 773,144.40

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Solution

The fourth proportional to 786,266.40, 1,179,399.60 and 773,144.40 is: 1,159,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,266.40 : 1,179,399.60 = 773,144.40 : x
  2. Step 2: Convert to fraction form
    786,266.40/1,179,399.60 = 773,144.40/x
  3. Step 3: Cross multiply
    786,266.40x = 1,179,399.60 × 773,144.40
  4. Step 4: Simplify right side
    786,266.40x = 911,846,196,102.24
  5. Step 5: Solve for x
    x = 911,846,196,102.24/786,266.40
  6. Step 6: Final answer
    x = 1,159,716.60

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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.