Home / 1,644,362.65-2,269,229.56-919,240.93

Finding the Fourth Proportional to 1,644,362.65, 2,269,229.56 and 919,240.93

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Solution

The fourth proportional to 1,644,362.65, 2,269,229.56 and 919,240.93 is: 1,268,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,362.65 : 2,269,229.56 = 919,240.93 : x
  2. Step 2: Convert to fraction form
    1,644,362.65/2,269,229.56 = 919,240.93/x
  3. Step 3: Cross multiply
    1,644,362.65x = 2,269,229.56 × 919,240.93
  4. Step 4: Simplify right side
    1,644,362.65x = 2,085,968,691,117.89
  5. Step 5: Solve for x
    x = 2,085,968,691,117.89/1,644,362.65
  6. Step 6: Final answer
    x = 1,268,557.57

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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.