Home / 1,644,365.18-2,269,233.06-919,243.46

Finding the Fourth Proportional to 1,644,365.18, 2,269,233.06 and 919,243.46

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Solution

The fourth proportional to 1,644,365.18, 2,269,233.06 and 919,243.46 is: 1,268,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,365.18 : 2,269,233.06 = 919,243.46 : x
  2. Step 2: Convert to fraction form
    1,644,365.18/2,269,233.06 = 919,243.46/x
  3. Step 3: Cross multiply
    1,644,365.18x = 2,269,233.06 × 919,243.46
  4. Step 4: Simplify right side
    1,644,365.18x = 2,085,977,645,024.57
  5. Step 5: Solve for x
    x = 2,085,977,645,024.57/1,644,365.18
  6. Step 6: Final answer
    x = 1,268,561.07

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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.