Home / 432,012.09-648,307.37-179,292.79

Finding the Fourth Proportional to 432,012.09, 648,307.37 and 179,292.79

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Solution

The fourth proportional to 432,012.09, 648,307.37 and 179,292.79 is: 269,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,012.09 : 648,307.37 = 179,292.79 : x
  2. Step 2: Convert to fraction form
    432,012.09/648,307.37 = 179,292.79/x
  3. Step 3: Cross multiply
    432,012.09x = 648,307.37 × 179,292.79
  4. Step 4: Simplify right side
    432,012.09x = 116,236,834,627.63
  5. Step 5: Solve for x
    x = 116,236,834,627.63/432,012.09
  6. Step 6: Final answer
    x = 269,059.22

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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.