Home / 939,273.92-1,297,118.74-649,627.64

Finding the Fourth Proportional to 939,273.92, 1,297,118.74 and 649,627.64

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Solution

The fourth proportional to 939,273.92, 1,297,118.74 and 649,627.64 is: 897,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,273.92 : 1,297,118.74 = 649,627.64 : x
  2. Step 2: Convert to fraction form
    939,273.92/1,297,118.74 = 649,627.64/x
  3. Step 3: Cross multiply
    939,273.92x = 1,297,118.74 × 649,627.64
  4. Step 4: Simplify right side
    939,273.92x = 842,644,185,865.97
  5. Step 5: Solve for x
    x = 842,644,185,865.97/939,273.92
  6. Step 6: Final answer
    x = 897,122.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.