Home / 2,079,453.66-3,119,478.03-640,258.83

Finding the Fourth Proportional to 2,079,453.66, 3,119,478.03 and 640,258.83

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Solution

The fourth proportional to 2,079,453.66, 3,119,478.03 and 640,258.83 is: 960,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,453.66 : 3,119,478.03 = 640,258.83 : x
  2. Step 2: Convert to fraction form
    2,079,453.66/3,119,478.03 = 640,258.83/x
  3. Step 3: Cross multiply
    2,079,453.66x = 3,119,478.03 × 640,258.83
  4. Step 4: Simplify right side
    2,079,453.66x = 1,997,273,353,698.50
  5. Step 5: Solve for x
    x = 1,997,273,353,698.50/2,079,453.66
  6. Step 6: Final answer
    x = 960,479.86

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Double scale
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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.