Home / 695,137.14-959,066.33-389,168.55

Finding the Fourth Proportional to 695,137.14, 959,066.33 and 389,168.55

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Solution

The fourth proportional to 695,137.14, 959,066.33 and 389,168.55 is: 536,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,137.14 : 959,066.33 = 389,168.55 : x
  2. Step 2: Convert to fraction form
    695,137.14/959,066.33 = 389,168.55/x
  3. Step 3: Cross multiply
    695,137.14x = 959,066.33 × 389,168.55
  4. Step 4: Simplify right side
    695,137.14x = 373,238,451,054.08
  5. Step 5: Solve for x
    x = 373,238,451,054.08/695,137.14
  6. Step 6: Final answer
    x = 536,927.79

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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.