Home / 469,905.23-648,439.70-265,997.54

Finding the Fourth Proportional to 469,905.23, 648,439.70 and 265,997.54

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Solution

The fourth proportional to 469,905.23, 648,439.70 and 265,997.54 is: 367,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.23 : 648,439.70 = 265,997.54 : x
  2. Step 2: Convert to fraction form
    469,905.23/648,439.70 = 265,997.54/x
  3. Step 3: Cross multiply
    469,905.23x = 648,439.70 × 265,997.54
  4. Step 4: Simplify right side
    469,905.23x = 172,483,365,329.45
  5. Step 5: Solve for x
    x = 172,483,365,329.45/469,905.23
  6. Step 6: Final answer
    x = 367,059.90

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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.