Home / 1,137,219.63-1,569,321.72-627,911.07

Finding the Fourth Proportional to 1,137,219.63, 1,569,321.72 and 627,911.07

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Solution

The fourth proportional to 1,137,219.63, 1,569,321.72 and 627,911.07 is: 866,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,219.63 : 1,569,321.72 = 627,911.07 : x
  2. Step 2: Convert to fraction form
    1,137,219.63/1,569,321.72 = 627,911.07/x
  3. Step 3: Cross multiply
    1,137,219.63x = 1,569,321.72 × 627,911.07
  4. Step 4: Simplify right side
    1,137,219.63x = 985,394,480,379.44
  5. Step 5: Solve for x
    x = 985,394,480,379.44/1,137,219.63
  6. Step 6: Final answer
    x = 866,494.43

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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.