Home / 1,185,018.60-1,635,324.60-668,881.14

Finding the Fourth Proportional to 1,185,018.60, 1,635,324.60 and 668,881.14

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Solution

The fourth proportional to 1,185,018.60, 1,635,324.60 and 668,881.14 is: 923,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,018.60 : 1,635,324.60 = 668,881.14 : x
  2. Step 2: Convert to fraction form
    1,185,018.60/1,635,324.60 = 668,881.14/x
  3. Step 3: Cross multiply
    1,185,018.60x = 1,635,324.60 × 668,881.14
  4. Step 4: Simplify right side
    1,185,018.60x = 1,093,837,782,718.04
  5. Step 5: Solve for x
    x = 1,093,837,782,718.04/1,185,018.60
  6. Step 6: Final answer
    x = 923,055.37

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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.