Home / 1,327,889.37-1,990,753.52-416,603.38

Finding the Fourth Proportional to 1,327,889.37, 1,990,753.52 and 416,603.38

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Solution

The fourth proportional to 1,327,889.37, 1,990,753.52 and 416,603.38 is: 624,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,889.37 : 1,990,753.52 = 416,603.38 : x
  2. Step 2: Convert to fraction form
    1,327,889.37/1,990,753.52 = 416,603.38/x
  3. Step 3: Cross multiply
    1,327,889.37x = 1,990,753.52 × 416,603.38
  4. Step 4: Simplify right side
    1,327,889.37x = 829,354,645,178.90
  5. Step 5: Solve for x
    x = 829,354,645,178.90/1,327,889.37
  6. Step 6: Final answer
    x = 624,566.07

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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.