Home / 447,135.21-616,783.31-281,298.96

Finding the Fourth Proportional to 447,135.21, 616,783.31 and 281,298.96

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Solution

The fourth proportional to 447,135.21, 616,783.31 and 281,298.96 is: 388,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,135.21 : 616,783.31 = 281,298.96 : x
  2. Step 2: Convert to fraction form
    447,135.21/616,783.31 = 281,298.96/x
  3. Step 3: Cross multiply
    447,135.21x = 616,783.31 × 281,298.96
  4. Step 4: Simplify right side
    447,135.21x = 173,500,499,157.95
  5. Step 5: Solve for x
    x = 173,500,499,157.95/447,135.21
  6. Step 6: Final answer
    x = 388,026.93

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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.