Home / 413,796.24-621,002.39-307,427.85

Finding the Fourth Proportional to 413,796.24, 621,002.39 and 307,427.85

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Solution

The fourth proportional to 413,796.24, 621,002.39 and 307,427.85 is: 461,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,796.24 : 621,002.39 = 307,427.85 : x
  2. Step 2: Convert to fraction form
    413,796.24/621,002.39 = 307,427.85/x
  3. Step 3: Cross multiply
    413,796.24x = 621,002.39 × 307,427.85
  4. Step 4: Simplify right side
    413,796.24x = 190,913,429,602.56
  5. Step 5: Solve for x
    x = 190,913,429,602.56/413,796.24
  6. Step 6: Final answer
    x = 461,370.62

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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.