Home / 828,087.36-1,242,393.60-295,596.96

Finding the Fourth Proportional to 828,087.36, 1,242,393.60 and 295,596.96

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Solution

The fourth proportional to 828,087.36, 1,242,393.60 and 295,596.96 is: 443,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,087.36 : 1,242,393.60 = 295,596.96 : x
  2. Step 2: Convert to fraction form
    828,087.36/1,242,393.60 = 295,596.96/x
  3. Step 3: Cross multiply
    828,087.36x = 1,242,393.60 × 295,596.96
  4. Step 4: Simplify right side
    828,087.36x = 367,247,771,283.46
  5. Step 5: Solve for x
    x = 367,247,771,283.46/828,087.36
  6. Step 6: Final answer
    x = 443,489.16

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1.5x scale

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.