Home / 432,821.09-652,185.96-355,663.73

Finding the Fourth Proportional to 432,821.09, 652,185.96 and 355,663.73

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Solution

The fourth proportional to 432,821.09, 652,185.96 and 355,663.73 is: 535,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,821.09 : 652,185.96 = 355,663.73 : x
  2. Step 2: Convert to fraction form
    432,821.09/652,185.96 = 355,663.73/x
  3. Step 3: Cross multiply
    432,821.09x = 652,185.96 × 355,663.73
  4. Step 4: Simplify right side
    432,821.09x = 231,958,891,187.23
  5. Step 5: Solve for x
    x = 231,958,891,187.23/432,821.09
  6. Step 6: Final answer
    x = 535,923.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.