Home / 432,821.56-652,186.67-355,664.20

Finding the Fourth Proportional to 432,821.56, 652,186.67 and 355,664.20

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Solution

The fourth proportional to 432,821.56, 652,186.67 and 355,664.20 is: 535,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,821.56 : 652,186.67 = 355,664.20 : x
  2. Step 2: Convert to fraction form
    432,821.56/652,186.67 = 355,664.20/x
  3. Step 3: Cross multiply
    432,821.56x = 652,186.67 × 355,664.20
  4. Step 4: Simplify right side
    432,821.56x = 231,959,450,236.21
  5. Step 5: Solve for x
    x = 231,959,450,236.21/432,821.56
  6. Step 6: Final answer
    x = 535,923.97

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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.