Home / 1,656,716.70-2,481,827.34-858,521.85

Finding the Fourth Proportional to 1,656,716.70, 2,481,827.34 and 858,521.85

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Solution

The fourth proportional to 1,656,716.70, 2,481,827.34 and 858,521.85 is: 1,286,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,716.70 : 2,481,827.34 = 858,521.85 : x
  2. Step 2: Convert to fraction form
    1,656,716.70/2,481,827.34 = 858,521.85/x
  3. Step 3: Cross multiply
    1,656,716.70x = 2,481,827.34 × 858,521.85
  4. Step 4: Simplify right side
    1,656,716.70x = 2,130,702,999,317.38
  5. Step 5: Solve for x
    x = 2,130,702,999,317.38/1,656,716.70
  6. Step 6: Final answer
    x = 1,286,099.79

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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.