Home / 777,830.40-1,166,745.60-591,206.40

Finding the Fourth Proportional to 777,830.40, 1,166,745.60 and 591,206.40

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Solution

The fourth proportional to 777,830.40, 1,166,745.60 and 591,206.40 is: 886,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,830.40 : 1,166,745.60 = 591,206.40 : x
  2. Step 2: Convert to fraction form
    777,830.40/1,166,745.60 = 591,206.40/x
  3. Step 3: Cross multiply
    777,830.40x = 1,166,745.60 × 591,206.40
  4. Step 4: Simplify right side
    777,830.40x = 689,787,465,891.84
  5. Step 5: Solve for x
    x = 689,787,465,891.84/777,830.40
  6. Step 6: Final answer
    x = 886,809.60

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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.