Home / 1,445,361.93-1,994,171.27-872,167.05

Finding the Fourth Proportional to 1,445,361.93, 1,994,171.27 and 872,167.05

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Solution

The fourth proportional to 1,445,361.93, 1,994,171.27 and 872,167.05 is: 1,203,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,361.93 : 1,994,171.27 = 872,167.05 : x
  2. Step 2: Convert to fraction form
    1,445,361.93/1,994,171.27 = 872,167.05/x
  3. Step 3: Cross multiply
    1,445,361.93x = 1,994,171.27 × 872,167.05
  4. Step 4: Simplify right side
    1,445,361.93x = 1,739,250,469,389.82
  5. Step 5: Solve for x
    x = 1,739,250,469,389.82/1,445,361.93
  6. Step 6: Final answer
    x = 1,203,332.14

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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.