Home / 1,644,362.53-2,269,229.39-919,240.81

Finding the Fourth Proportional to 1,644,362.53, 2,269,229.39 and 919,240.81

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Solution

The fourth proportional to 1,644,362.53, 2,269,229.39 and 919,240.81 is: 1,268,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,362.53 : 2,269,229.39 = 919,240.81 : x
  2. Step 2: Convert to fraction form
    1,644,362.53/2,269,229.39 = 919,240.81/x
  3. Step 3: Cross multiply
    1,644,362.53x = 2,269,229.39 × 919,240.81
  4. Step 4: Simplify right side
    1,644,362.53x = 2,085,968,255,717.28
  5. Step 5: Solve for x
    x = 2,085,968,255,717.28/1,644,362.53
  6. Step 6: Final answer
    x = 1,268,557.40

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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.