Home / 1,627,682.77-2,245,690.95-939,264.21

Finding the Fourth Proportional to 1,627,682.77, 2,245,690.95 and 939,264.21

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Solution

The fourth proportional to 1,627,682.77, 2,245,690.95 and 939,264.21 is: 1,295,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,682.77 : 2,245,690.95 = 939,264.21 : x
  2. Step 2: Convert to fraction form
    1,627,682.77/2,245,690.95 = 939,264.21/x
  3. Step 3: Cross multiply
    1,627,682.77x = 2,245,690.95 × 939,264.21
  4. Step 4: Simplify right side
    1,627,682.77x = 2,109,297,138,849.66
  5. Step 5: Solve for x
    x = 2,109,297,138,849.66/1,627,682.77
  6. Step 6: Final answer
    x = 1,295,889.58

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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.