Home / 1,257,362.21-1,876,914.78-1,163,690.57

Finding the Fourth Proportional to 1,257,362.21, 1,876,914.78 and 1,163,690.57

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Solution

The fourth proportional to 1,257,362.21, 1,876,914.78 and 1,163,690.57 is: 1,737,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,362.21 : 1,876,914.78 = 1,163,690.57 : x
  2. Step 2: Convert to fraction form
    1,257,362.21/1,876,914.78 = 1,163,690.57/x
  3. Step 3: Cross multiply
    1,257,362.21x = 1,876,914.78 × 1,163,690.57
  4. Step 4: Simplify right side
    1,257,362.21x = 2,184,148,030,179.62
  5. Step 5: Solve for x
    x = 2,184,148,030,179.62/1,257,362.21
  6. Step 6: Final answer
    x = 1,737,087.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.