Home / 1,215,847.08-1,677,932.69-699,679.64

Finding the Fourth Proportional to 1,215,847.08, 1,677,932.69 and 699,679.64

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Solution

The fourth proportional to 1,215,847.08, 1,677,932.69 and 699,679.64 is: 965,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,847.08 : 1,677,932.69 = 699,679.64 : x
  2. Step 2: Convert to fraction form
    1,215,847.08/1,677,932.69 = 699,679.64/x
  3. Step 3: Cross multiply
    1,215,847.08x = 1,677,932.69 × 699,679.64
  4. Step 4: Simplify right side
    1,215,847.08x = 1,174,015,341,179.87
  5. Step 5: Solve for x
    x = 1,174,015,341,179.87/1,215,847.08
  6. Step 6: Final answer
    x = 965,594.57

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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.