Home / 456,475.14-684,874.80-203,732.64

Finding the Fourth Proportional to 456,475.14, 684,874.80 and 203,732.64

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Solution

The fourth proportional to 456,475.14, 684,874.80 and 203,732.64 is: 305,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,475.14 : 684,874.80 = 203,732.64 : x
  2. Step 2: Convert to fraction form
    456,475.14/684,874.80 = 203,732.64/x
  3. Step 3: Cross multiply
    456,475.14x = 684,874.80 × 203,732.64
  4. Step 4: Simplify right side
    456,475.14x = 139,531,351,073.47
  5. Step 5: Solve for x
    x = 139,531,351,073.47/456,475.14
  6. Step 6: Final answer
    x = 305,671.30

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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.