Home / 638,124.20-957,324.69-188,876.64

Finding the Fourth Proportional to 638,124.20, 957,324.69 and 188,876.64

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Solution

The fourth proportional to 638,124.20, 957,324.69 and 188,876.64 is: 283,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,124.20 : 957,324.69 = 188,876.64 : x
  2. Step 2: Convert to fraction form
    638,124.20/957,324.69 = 188,876.64/x
  3. Step 3: Cross multiply
    638,124.20x = 957,324.69 × 188,876.64
  4. Step 4: Simplify right side
    638,124.20x = 180,816,270,836.24
  5. Step 5: Solve for x
    x = 180,816,270,836.24/638,124.20
  6. Step 6: Final answer
    x = 283,355.92

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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.