Home / 677,568.30-1,016,352.45-667,070.70

Finding the Fourth Proportional to 677,568.30, 1,016,352.45 and 667,070.70

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Solution

The fourth proportional to 677,568.30, 1,016,352.45 and 667,070.70 is: 1,000,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,568.30 : 1,016,352.45 = 667,070.70 : x
  2. Step 2: Convert to fraction form
    677,568.30/1,016,352.45 = 667,070.70/x
  3. Step 3: Cross multiply
    677,568.30x = 1,016,352.45 × 667,070.70
  4. Step 4: Simplify right side
    677,568.30x = 677,978,940,268.22
  5. Step 5: Solve for x
    x = 677,978,940,268.22/677,568.30
  6. Step 6: Final answer
    x = 1,000,606.05

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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.