Home / 864,893.86-1,297,464.82-265,905.30

Finding the Fourth Proportional to 864,893.86, 1,297,464.82 and 265,905.30

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Solution

The fourth proportional to 864,893.86, 1,297,464.82 and 265,905.30 is: 398,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,893.86 : 1,297,464.82 = 265,905.30 : x
  2. Step 2: Convert to fraction form
    864,893.86/1,297,464.82 = 265,905.30/x
  3. Step 3: Cross multiply
    864,893.86x = 1,297,464.82 × 265,905.30
  4. Step 4: Simplify right side
    864,893.86x = 345,002,772,201.55
  5. Step 5: Solve for x
    x = 345,002,772,201.55/864,893.86
  6. Step 6: Final answer
    x = 398,896.08

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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.