Home / 1,120,588.45-1,546,485.14-637,198.57

Finding the Fourth Proportional to 1,120,588.45, 1,546,485.14 and 637,198.57

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Solution

The fourth proportional to 1,120,588.45, 1,546,485.14 and 637,198.57 is: 879,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,588.45 : 1,546,485.14 = 637,198.57 : x
  2. Step 2: Convert to fraction form
    1,120,588.45/1,546,485.14 = 637,198.57/x
  3. Step 3: Cross multiply
    1,120,588.45x = 1,546,485.14 × 637,198.57
  4. Step 4: Simplify right side
    1,120,588.45x = 985,418,119,734.25
  5. Step 5: Solve for x
    x = 985,418,119,734.25/1,120,588.45
  6. Step 6: Final answer
    x = 879,375.58

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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.