Home / 677,551.80-1,016,327.70-667,054.20

Finding the Fourth Proportional to 677,551.80, 1,016,327.70 and 667,054.20

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Solution

The fourth proportional to 677,551.80, 1,016,327.70 and 667,054.20 is: 1,000,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,551.80 : 1,016,327.70 = 667,054.20 : x
  2. Step 2: Convert to fraction form
    677,551.80/1,016,327.70 = 667,054.20/x
  3. Step 3: Cross multiply
    677,551.80x = 1,016,327.70 × 667,054.20
  4. Step 4: Simplify right side
    677,551.80x = 677,945,660,861.34
  5. Step 5: Solve for x
    x = 677,945,660,861.34/677,551.80
  6. Step 6: Final answer
    x = 1,000,581.30

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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.