Home / 565,664.19-780,632.83-344,914.42

Finding the Fourth Proportional to 565,664.19, 780,632.83 and 344,914.42

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Solution

The fourth proportional to 565,664.19, 780,632.83 and 344,914.42 is: 475,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,664.19 : 780,632.83 = 344,914.42 : x
  2. Step 2: Convert to fraction form
    565,664.19/780,632.83 = 344,914.42/x
  3. Step 3: Cross multiply
    565,664.19x = 780,632.83 × 344,914.42
  4. Step 4: Simplify right side
    565,664.19x = 269,251,518,067.84
  5. Step 5: Solve for x
    x = 269,251,518,067.84/565,664.19
  6. Step 6: Final answer
    x = 475,991.81

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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.