Home / 432,513.63-648,721.20-116,945.94

Finding the Fourth Proportional to 432,513.63, 648,721.20 and 116,945.94

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Solution

The fourth proportional to 432,513.63, 648,721.20 and 116,945.94 is: 175,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,513.63 : 648,721.20 = 116,945.94 : x
  2. Step 2: Convert to fraction form
    432,513.63/648,721.20 = 116,945.94/x
  3. Step 3: Cross multiply
    432,513.63x = 648,721.20 × 116,945.94
  4. Step 4: Simplify right side
    432,513.63x = 75,865,310,531.93
  5. Step 5: Solve for x
    x = 75,865,310,531.93/432,513.63
  6. Step 6: Final answer
    x = 175,405.59

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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.