Home / 1,286,367.87-1,775,175.37-705,579.04

Finding the Fourth Proportional to 1,286,367.87, 1,775,175.37 and 705,579.04

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Solution

The fourth proportional to 1,286,367.87, 1,775,175.37 and 705,579.04 is: 973,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,367.87 : 1,775,175.37 = 705,579.04 : x
  2. Step 2: Convert to fraction form
    1,286,367.87/1,775,175.37 = 705,579.04/x
  3. Step 3: Cross multiply
    1,286,367.87x = 1,775,175.37 × 705,579.04
  4. Step 4: Simplify right side
    1,286,367.87x = 1,252,526,533,396.24
  5. Step 5: Solve for x
    x = 1,252,526,533,396.24/1,286,367.87
  6. Step 6: Final answer
    x = 973,692.33

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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.