Home / 995,431.05-1,373,811.48-565,775.77

Finding the Fourth Proportional to 995,431.05, 1,373,811.48 and 565,775.77

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Solution

The fourth proportional to 995,431.05, 1,373,811.48 and 565,775.77 is: 780,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,431.05 : 1,373,811.48 = 565,775.77 : x
  2. Step 2: Convert to fraction form
    995,431.05/1,373,811.48 = 565,775.77/x
  3. Step 3: Cross multiply
    995,431.05x = 1,373,811.48 × 565,775.77
  4. Step 4: Simplify right side
    995,431.05x = 777,269,238,233.90
  5. Step 5: Solve for x
    x = 777,269,238,233.90/995,431.05
  6. Step 6: Final answer
    x = 780,836.84

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1.5x scale

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.