Home / 521,039.94-719,170.29-294,816.66

Finding the Fourth Proportional to 521,039.94, 719,170.29 and 294,816.66

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Solution

The fourth proportional to 521,039.94, 719,170.29 and 294,816.66 is: 406,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,039.94 : 719,170.29 = 294,816.66 : x
  2. Step 2: Convert to fraction form
    521,039.94/719,170.29 = 294,816.66/x
  3. Step 3: Cross multiply
    521,039.94x = 719,170.29 × 294,816.66
  4. Step 4: Simplify right side
    521,039.94x = 212,023,382,869.03
  5. Step 5: Solve for x
    x = 212,023,382,869.03/521,039.94
  6. Step 6: Final answer
    x = 406,923.47

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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.