Home / 886,558.80-1,328,963.40-436,911.60

Finding the Fourth Proportional to 886,558.80, 1,328,963.40 and 436,911.60

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Solution

The fourth proportional to 886,558.80, 1,328,963.40 and 436,911.60 is: 654,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,558.80 : 1,328,963.40 = 436,911.60 : x
  2. Step 2: Convert to fraction form
    886,558.80/1,328,963.40 = 436,911.60/x
  3. Step 3: Cross multiply
    886,558.80x = 1,328,963.40 × 436,911.60
  4. Step 4: Simplify right side
    886,558.80x = 580,639,525,435.44
  5. Step 5: Solve for x
    x = 580,639,525,435.44/886,558.80
  6. Step 6: Final answer
    x = 654,936.28

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1.5x scale

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.