Home / 669,521.41-1,003,912.44-348,872.73

Finding the Fourth Proportional to 669,521.41, 1,003,912.44 and 348,872.73

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Solution

The fourth proportional to 669,521.41, 1,003,912.44 and 348,872.73 is: 523,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,521.41 : 1,003,912.44 = 348,872.73 : x
  2. Step 2: Convert to fraction form
    669,521.41/1,003,912.44 = 348,872.73/x
  3. Step 3: Cross multiply
    669,521.41x = 1,003,912.44 × 348,872.73
  4. Step 4: Simplify right side
    669,521.41x = 350,237,671,879.40
  5. Step 5: Solve for x
    x = 350,237,671,879.40/669,521.41
  6. Step 6: Final answer
    x = 523,116.46

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1.5x scale

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.