Home / 995,408.30-1,373,604.26-565,628.78

Finding the Fourth Proportional to 995,408.30, 1,373,604.26 and 565,628.78

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Solution

The fourth proportional to 995,408.30, 1,373,604.26 and 565,628.78 is: 780,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,408.30 : 1,373,604.26 = 565,628.78 : x
  2. Step 2: Convert to fraction form
    995,408.30/1,373,604.26 = 565,628.78/x
  3. Step 3: Cross multiply
    995,408.30x = 1,373,604.26 × 565,628.78
  4. Step 4: Simplify right side
    995,408.30x = 776,950,101,786.60
  5. Step 5: Solve for x
    x = 776,950,101,786.60/995,408.30
  6. Step 6: Final answer
    x = 780,534.08

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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.