Home / 1,327,890.37-1,990,755.02-416,604.38

Finding the Fourth Proportional to 1,327,890.37, 1,990,755.02 and 416,604.38

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Solution

The fourth proportional to 1,327,890.37, 1,990,755.02 and 416,604.38 is: 624,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,890.37 : 1,990,755.02 = 416,604.38 : x
  2. Step 2: Convert to fraction form
    1,327,890.37/1,990,755.02 = 416,604.38/x
  3. Step 3: Cross multiply
    1,327,890.37x = 1,990,755.02 × 416,604.38
  4. Step 4: Simplify right side
    1,327,890.37x = 829,357,260,838.99
  5. Step 5: Solve for x
    x = 829,357,260,838.99/1,327,890.37
  6. Step 6: Final answer
    x = 624,567.57

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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.