Home / 407,962.12-611,057.04-197,158

Finding the Fourth Proportional to 407,962.12, 611,057.04 and 197,158

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Solution

The fourth proportional to 407,962.12, 611,057.04 and 197,158 is: 295,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,962.12 : 611,057.04 = 197,158 : x
  2. Step 2: Convert to fraction form
    407,962.12/611,057.04 = 197,158/x
  3. Step 3: Cross multiply
    407,962.12x = 611,057.04 × 197,158
  4. Step 4: Simplify right side
    407,962.12x = 120,474,783,892.32
  5. Step 5: Solve for x
    x = 120,474,783,892.32/407,962.12
  6. Step 6: Final answer
    x = 295,308.75

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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.