Home / 858,794.58-1,185,113.97-476,811.54

Finding the Fourth Proportional to 858,794.58, 1,185,113.97 and 476,811.54

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Solution

The fourth proportional to 858,794.58, 1,185,113.97 and 476,811.54 is: 657,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,794.58 : 1,185,113.97 = 476,811.54 : x
  2. Step 2: Convert to fraction form
    858,794.58/1,185,113.97 = 476,811.54/x
  3. Step 3: Cross multiply
    858,794.58x = 1,185,113.97 × 476,811.54
  4. Step 4: Simplify right side
    858,794.58x = 565,076,017,111.21
  5. Step 5: Solve for x
    x = 565,076,017,111.21/858,794.58
  6. Step 6: Final answer
    x = 657,987.40

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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.