Home / 1,230,176.80-1,844,919.60-388,986.40

Finding the Fourth Proportional to 1,230,176.80, 1,844,919.60 and 388,986.40

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Solution

The fourth proportional to 1,230,176.80, 1,844,919.60 and 388,986.40 is: 583,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,176.80 : 1,844,919.60 = 388,986.40 : x
  2. Step 2: Convert to fraction form
    1,230,176.80/1,844,919.60 = 388,986.40/x
  3. Step 3: Cross multiply
    1,230,176.80x = 1,844,919.60 × 388,986.40
  4. Step 4: Simplify right side
    1,230,176.80x = 717,648,633,493.44
  5. Step 5: Solve for x
    x = 717,648,633,493.44/1,230,176.80
  6. Step 6: Final answer
    x = 583,370.32

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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.