Home / 1,079,574.90-1,619,367.63-439,885

Finding the Fourth Proportional to 1,079,574.90, 1,619,367.63 and 439,885

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Solution

The fourth proportional to 1,079,574.90, 1,619,367.63 and 439,885 is: 659,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,574.90 : 1,619,367.63 = 439,885 : x
  2. Step 2: Convert to fraction form
    1,079,574.90/1,619,367.63 = 439,885/x
  3. Step 3: Cross multiply
    1,079,574.90x = 1,619,367.63 × 439,885
  4. Step 4: Simplify right side
    1,079,574.90x = 712,335,529,922.55
  5. Step 5: Solve for x
    x = 712,335,529,922.55/1,079,574.90
  6. Step 6: Final answer
    x = 659,829.65

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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.