Home / 1,109,954.80-1,664,203.20-435,629.80

Finding the Fourth Proportional to 1,109,954.80, 1,664,203.20 and 435,629.80

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Solution

The fourth proportional to 1,109,954.80, 1,664,203.20 and 435,629.80 is: 653,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,954.80 : 1,664,203.20 = 435,629.80 : x
  2. Step 2: Convert to fraction form
    1,109,954.80/1,664,203.20 = 435,629.80/x
  3. Step 3: Cross multiply
    1,109,954.80x = 1,664,203.20 × 435,629.80
  4. Step 4: Simplify right side
    1,109,954.80x = 724,976,507,175.36
  5. Step 5: Solve for x
    x = 724,976,507,175.36/1,109,954.80
  6. Step 6: Final answer
    x = 653,158.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.