Home / 469,789.61-648,311.40-254,929.73

Finding the Fourth Proportional to 469,789.61, 648,311.40 and 254,929.73

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Solution

The fourth proportional to 469,789.61, 648,311.40 and 254,929.73 is: 351,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,789.61 : 648,311.40 = 254,929.73 : x
  2. Step 2: Convert to fraction form
    469,789.61/648,311.40 = 254,929.73/x
  3. Step 3: Cross multiply
    469,789.61x = 648,311.40 × 254,929.73
  4. Step 4: Simplify right side
    469,789.61x = 165,273,846,916.37
  5. Step 5: Solve for x
    x = 165,273,846,916.37/469,789.61
  6. Step 6: Final answer
    x = 351,803.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.