Home / 1,656,715.70-2,481,825.84-858,520.85

Finding the Fourth Proportional to 1,656,715.70, 2,481,825.84 and 858,520.85

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Solution

The fourth proportional to 1,656,715.70, 2,481,825.84 and 858,520.85 is: 1,286,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,715.70 : 2,481,825.84 = 858,520.85 : x
  2. Step 2: Convert to fraction form
    1,656,715.70/2,481,825.84 = 858,520.85/x
  3. Step 3: Cross multiply
    1,656,715.70x = 2,481,825.84 × 858,520.85
  4. Step 4: Simplify right side
    1,656,715.70x = 2,130,699,217,299.63
  5. Step 5: Solve for x
    x = 2,130,699,217,299.63/1,656,715.70
  6. Step 6: Final answer
    x = 1,286,098.29

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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.