Home / 481,123.68-719,917.56-386,069.28

Finding the Fourth Proportional to 481,123.68, 719,917.56 and 386,069.28

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Solution

The fourth proportional to 481,123.68, 719,917.56 and 386,069.28 is: 577,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,123.68 : 719,917.56 = 386,069.28 : x
  2. Step 2: Convert to fraction form
    481,123.68/719,917.56 = 386,069.28/x
  3. Step 3: Cross multiply
    481,123.68x = 719,917.56 × 386,069.28
  4. Step 4: Simplify right side
    481,123.68x = 277,938,054,048.56
  5. Step 5: Solve for x
    x = 277,938,054,048.56/481,123.68
  6. Step 6: Final answer
    x = 577,685.25

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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.