Home / 858,863.25-1,185,280.49-476,914.64

Finding the Fourth Proportional to 858,863.25, 1,185,280.49 and 476,914.64

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Solution

The fourth proportional to 858,863.25, 1,185,280.49 and 476,914.64 is: 658,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,863.25 : 1,185,280.49 = 476,914.64 : x
  2. Step 2: Convert to fraction form
    858,863.25/1,185,280.49 = 476,914.64/x
  3. Step 3: Cross multiply
    858,863.25x = 1,185,280.49 × 476,914.64
  4. Step 4: Simplify right side
    858,863.25x = 565,277,613,453.26
  5. Step 5: Solve for x
    x = 565,277,613,453.26/858,863.25
  6. Step 6: Final answer
    x = 658,169.52

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1.5x scale

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.