Home / 414,125.10-621,187.65-366,885.90

Finding the Fourth Proportional to 414,125.10, 621,187.65 and 366,885.90

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Solution

The fourth proportional to 414,125.10, 621,187.65 and 366,885.90 is: 550,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,125.10 : 621,187.65 = 366,885.90 : x
  2. Step 2: Convert to fraction form
    414,125.10/621,187.65 = 366,885.90/x
  3. Step 3: Cross multiply
    414,125.10x = 621,187.65 × 366,885.90
  4. Step 4: Simplify right side
    414,125.10x = 227,904,990,039.14
  5. Step 5: Solve for x
    x = 227,904,990,039.14/414,125.10
  6. Step 6: Final answer
    x = 550,328.85

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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.