Home / 653,133.27-979,736.37-203,916.18

Finding the Fourth Proportional to 653,133.27, 979,736.37 and 203,916.18

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Solution

The fourth proportional to 653,133.27, 979,736.37 and 203,916.18 is: 305,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,133.27 : 979,736.37 = 203,916.18 : x
  2. Step 2: Convert to fraction form
    653,133.27/979,736.37 = 203,916.18/x
  3. Step 3: Cross multiply
    653,133.27x = 979,736.37 × 203,916.18
  4. Step 4: Simplify right side
    653,133.27x = 199,784,097,977.47
  5. Step 5: Solve for x
    x = 199,784,097,977.47/653,133.27
  6. Step 6: Final answer
    x = 305,885.65

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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.