Home / 432,313.49-648,493.89-179,619.53

Finding the Fourth Proportional to 432,313.49, 648,493.89 and 179,619.53

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Solution

The fourth proportional to 432,313.49, 648,493.89 and 179,619.53 is: 269,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,313.49 : 648,493.89 = 179,619.53 : x
  2. Step 2: Convert to fraction form
    432,313.49/648,493.89 = 179,619.53/x
  3. Step 3: Cross multiply
    432,313.49x = 648,493.89 × 179,619.53
  4. Step 4: Simplify right side
    432,313.49x = 116,482,166,831.57
  5. Step 5: Solve for x
    x = 116,482,166,831.57/432,313.49
  6. Step 6: Final answer
    x = 269,439.12

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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.