Home / 995,173.56-1,373,289.90-565,396.92

Finding the Fourth Proportional to 995,173.56, 1,373,289.90 and 565,396.92

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Solution

The fourth proportional to 995,173.56, 1,373,289.90 and 565,396.92 is: 780,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,173.56 : 1,373,289.90 = 565,396.92 : x
  2. Step 2: Convert to fraction form
    995,173.56/1,373,289.90 = 565,396.92/x
  3. Step 3: Cross multiply
    995,173.56x = 1,373,289.90 × 565,396.92
  4. Step 4: Simplify right side
    995,173.56x = 776,453,879,727.11
  5. Step 5: Solve for x
    x = 776,453,879,727.11/995,173.56
  6. Step 6: Final answer
    x = 780,219.56

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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.