Home / 416,631.20-623,367.30-276,663.20

Finding the Fourth Proportional to 416,631.20, 623,367.30 and 276,663.20

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Solution

The fourth proportional to 416,631.20, 623,367.30 and 276,663.20 is: 413,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,631.20 : 623,367.30 = 276,663.20 : x
  2. Step 2: Convert to fraction form
    416,631.20/623,367.30 = 276,663.20/x
  3. Step 3: Cross multiply
    416,631.20x = 623,367.30 × 276,663.20
  4. Step 4: Simplify right side
    416,631.20x = 172,462,791,993.36
  5. Step 5: Solve for x
    x = 172,462,791,993.36/416,631.20
  6. Step 6: Final answer
    x = 413,945.94

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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.