Home / 393,916.37-590,825.34-109,628.24

Finding the Fourth Proportional to 393,916.37, 590,825.34 and 109,628.24

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Solution

The fourth proportional to 393,916.37, 590,825.34 and 109,628.24 is: 164,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,916.37 : 590,825.34 = 109,628.24 : x
  2. Step 2: Convert to fraction form
    393,916.37/590,825.34 = 109,628.24/x
  3. Step 3: Cross multiply
    393,916.37x = 590,825.34 × 109,628.24
  4. Step 4: Simplify right side
    393,916.37x = 64,771,139,217.47
  5. Step 5: Solve for x
    x = 64,771,139,217.47/393,916.37
  6. Step 6: Final answer
    x = 164,428.66

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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.