Home / 1,075,415.23-1,483,244.08-667,758.43

Finding the Fourth Proportional to 1,075,415.23, 1,483,244.08 and 667,758.43

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Solution

The fourth proportional to 1,075,415.23, 1,483,244.08 and 667,758.43 is: 920,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,415.23 : 1,483,244.08 = 667,758.43 : x
  2. Step 2: Convert to fraction form
    1,075,415.23/1,483,244.08 = 667,758.43/x
  3. Step 3: Cross multiply
    1,075,415.23x = 1,483,244.08 × 667,758.43
  4. Step 4: Simplify right side
    1,075,415.23x = 990,448,738,167.60
  5. Step 5: Solve for x
    x = 990,448,738,167.60/1,075,415.23
  6. Step 6: Final answer
    x = 920,991.92

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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.