Home / 1,318,550.28-1,977,171.14-419,874.93

Finding the Fourth Proportional to 1,318,550.28, 1,977,171.14 and 419,874.93

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Solution

The fourth proportional to 1,318,550.28, 1,977,171.14 and 419,874.93 is: 629,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,550.28 : 1,977,171.14 = 419,874.93 : x
  2. Step 2: Convert to fraction form
    1,318,550.28/1,977,171.14 = 419,874.93/x
  3. Step 3: Cross multiply
    1,318,550.28x = 1,977,171.14 × 419,874.93
  4. Step 4: Simplify right side
    1,318,550.28x = 830,164,591,906.15
  5. Step 5: Solve for x
    x = 830,164,591,906.15/1,318,550.28
  6. Step 6: Final answer
    x = 629,604.05

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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.