Home / 1,358,163.83-1,871,893.63-994,815.65

Finding the Fourth Proportional to 1,358,163.83, 1,871,893.63 and 994,815.65

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Solution

The fourth proportional to 1,358,163.83, 1,871,893.63 and 994,815.65 is: 1,371,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,163.83 : 1,871,893.63 = 994,815.65 : x
  2. Step 2: Convert to fraction form
    1,358,163.83/1,871,893.63 = 994,815.65/x
  3. Step 3: Cross multiply
    1,358,163.83x = 1,871,893.63 × 994,815.65
  4. Step 4: Simplify right side
    1,358,163.83x = 1,862,189,084,182.56
  5. Step 5: Solve for x
    x = 1,862,189,084,182.56/1,358,163.83
  6. Step 6: Final answer
    x = 1,371,107.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.