Home / 677,435.80-1,014,185.40-453,049.60

Finding the Fourth Proportional to 677,435.80, 1,014,185.40 and 453,049.60

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Solution

The fourth proportional to 677,435.80, 1,014,185.40 and 453,049.60 is: 678,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,435.80 : 1,014,185.40 = 453,049.60 : x
  2. Step 2: Convert to fraction form
    677,435.80/1,014,185.40 = 453,049.60/x
  3. Step 3: Cross multiply
    677,435.80x = 1,014,185.40 × 453,049.60
  4. Step 4: Simplify right side
    677,435.80x = 459,476,289,795.84
  5. Step 5: Solve for x
    x = 459,476,289,795.84/677,435.80
  6. Step 6: Final answer
    x = 678,258.06

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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.