Home / 414,385.24-621,174.66-264,156.76

Finding the Fourth Proportional to 414,385.24, 621,174.66 and 264,156.76

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Solution

The fourth proportional to 414,385.24, 621,174.66 and 264,156.76 is: 395,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,385.24 : 621,174.66 = 264,156.76 : x
  2. Step 2: Convert to fraction form
    414,385.24/621,174.66 = 264,156.76/x
  3. Step 3: Cross multiply
    414,385.24x = 621,174.66 × 264,156.76
  4. Step 4: Simplify right side
    414,385.24x = 164,087,485,579.70
  5. Step 5: Solve for x
    x = 164,087,485,579.70/414,385.24
  6. Step 6: Final answer
    x = 395,978.11

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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.