Home / 1,151,882.37-1,589,913.84-668,603.21

Finding the Fourth Proportional to 1,151,882.37, 1,589,913.84 and 668,603.21

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Solution

The fourth proportional to 1,151,882.37, 1,589,913.84 and 668,603.21 is: 922,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,882.37 : 1,589,913.84 = 668,603.21 : x
  2. Step 2: Convert to fraction form
    1,151,882.37/1,589,913.84 = 668,603.21/x
  3. Step 3: Cross multiply
    1,151,882.37x = 1,589,913.84 × 668,603.21
  4. Step 4: Simplify right side
    1,151,882.37x = 1,063,021,498,667.94
  5. Step 5: Solve for x
    x = 1,063,021,498,667.94/1,151,882.37
  6. Step 6: Final answer
    x = 922,855.95

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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.