Home / 886,857.70-1,330,286.55-837,868.90

Finding the Fourth Proportional to 886,857.70, 1,330,286.55 and 837,868.90

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Solution

The fourth proportional to 886,857.70, 1,330,286.55 and 837,868.90 is: 1,256,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,857.70 : 1,330,286.55 = 837,868.90 : x
  2. Step 2: Convert to fraction form
    886,857.70/1,330,286.55 = 837,868.90/x
  3. Step 3: Cross multiply
    886,857.70x = 1,330,286.55 × 837,868.90
  4. Step 4: Simplify right side
    886,857.70x = 1,114,605,728,333.30
  5. Step 5: Solve for x
    x = 1,114,605,728,333.30/886,857.70
  6. Step 6: Final answer
    x = 1,256,803.35

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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.