Home / 645,514.60-968,278.94-196,308.52

Finding the Fourth Proportional to 645,514.60, 968,278.94 and 196,308.52

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Solution

The fourth proportional to 645,514.60, 968,278.94 and 196,308.52 is: 294,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,514.60 : 968,278.94 = 196,308.52 : x
  2. Step 2: Convert to fraction form
    645,514.60/968,278.94 = 196,308.52/x
  3. Step 3: Cross multiply
    645,514.60x = 968,278.94 × 196,308.52
  4. Step 4: Simplify right side
    645,514.60x = 190,081,405,658.57
  5. Step 5: Solve for x
    x = 190,081,405,658.57/645,514.60
  6. Step 6: Final answer
    x = 294,464.92

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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.