Home / 677,844.40-1,016,766.60-257,065.60

Finding the Fourth Proportional to 677,844.40, 1,016,766.60 and 257,065.60

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Solution

The fourth proportional to 677,844.40, 1,016,766.60 and 257,065.60 is: 385,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,844.40 : 1,016,766.60 = 257,065.60 : x
  2. Step 2: Convert to fraction form
    677,844.40/1,016,766.60 = 257,065.60/x
  3. Step 3: Cross multiply
    677,844.40x = 1,016,766.60 × 257,065.60
  4. Step 4: Simplify right side
    677,844.40x = 261,375,716,088.96
  5. Step 5: Solve for x
    x = 261,375,716,088.96/677,844.40
  6. Step 6: Final answer
    x = 385,598.40

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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.