Home / 817,766.94-1,128,518.16-455,183.04

Finding the Fourth Proportional to 817,766.94, 1,128,518.16 and 455,183.04

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Solution

The fourth proportional to 817,766.94, 1,128,518.16 and 455,183.04 is: 628,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,766.94 : 1,128,518.16 = 455,183.04 : x
  2. Step 2: Convert to fraction form
    817,766.94/1,128,518.16 = 455,183.04/x
  3. Step 3: Cross multiply
    817,766.94x = 1,128,518.16 × 455,183.04
  4. Step 4: Simplify right side
    817,766.94x = 513,682,326,764.01
  5. Step 5: Solve for x
    x = 513,682,326,764.01/817,766.94
  6. Step 6: Final answer
    x = 628,152.47

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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.