Home / 1,185,043.43-1,635,365.49-668,819.07

Finding the Fourth Proportional to 1,185,043.43, 1,635,365.49 and 668,819.07

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Solution

The fourth proportional to 1,185,043.43, 1,635,365.49 and 668,819.07 is: 922,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,043.43 : 1,635,365.49 = 668,819.07 : x
  2. Step 2: Convert to fraction form
    1,185,043.43/1,635,365.49 = 668,819.07/x
  3. Step 3: Cross multiply
    1,185,043.43x = 1,635,365.49 × 668,819.07
  4. Step 4: Simplify right side
    1,185,043.43x = 1,093,763,626,131.89
  5. Step 5: Solve for x
    x = 1,093,763,626,131.89/1,185,043.43
  6. Step 6: Final answer
    x = 922,973.46

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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.