Home / 1,185,751.80-1,778,361.49-545,440.57

Finding the Fourth Proportional to 1,185,751.80, 1,778,361.49 and 545,440.57

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Solution

The fourth proportional to 1,185,751.80, 1,778,361.49 and 545,440.57 is: 818,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,751.80 : 1,778,361.49 = 545,440.57 : x
  2. Step 2: Convert to fraction form
    1,185,751.80/1,778,361.49 = 545,440.57/x
  3. Step 3: Cross multiply
    1,185,751.80x = 1,778,361.49 × 545,440.57
  4. Step 4: Simplify right side
    1,185,751.80x = 969,990,504,771.65
  5. Step 5: Solve for x
    x = 969,990,504,771.65/1,185,751.80
  6. Step 6: Final answer
    x = 818,038.40

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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.