Home / 456,485.05-629,836.18-295,145.96

Finding the Fourth Proportional to 456,485.05, 629,836.18 and 295,145.96

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Solution

The fourth proportional to 456,485.05, 629,836.18 and 295,145.96 is: 407,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,485.05 : 629,836.18 = 295,145.96 : x
  2. Step 2: Convert to fraction form
    456,485.05/629,836.18 = 295,145.96/x
  3. Step 3: Cross multiply
    456,485.05x = 629,836.18 × 295,145.96
  4. Step 4: Simplify right side
    456,485.05x = 185,893,600,101.79
  5. Step 5: Solve for x
    x = 185,893,600,101.79/456,485.05
  6. Step 6: Final answer
    x = 407,228.23

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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.