Home / 469,634.46-648,555.91-324,811.32

Finding the Fourth Proportional to 469,634.46, 648,555.91 and 324,811.32

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Solution

The fourth proportional to 469,634.46, 648,555.91 and 324,811.32 is: 448,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,634.46 : 648,555.91 = 324,811.32 : x
  2. Step 2: Convert to fraction form
    469,634.46/648,555.91 = 324,811.32/x
  3. Step 3: Cross multiply
    469,634.46x = 648,555.91 × 324,811.32
  4. Step 4: Simplify right side
    469,634.46x = 210,658,299,803.85
  5. Step 5: Solve for x
    x = 210,658,299,803.85/469,634.46
  6. Step 6: Final answer
    x = 448,558.02

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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.