Home / 432,820.56-652,185.16-355,663.20

Finding the Fourth Proportional to 432,820.56, 652,185.16 and 355,663.20

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Solution

The fourth proportional to 432,820.56, 652,185.16 and 355,663.20 is: 535,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,820.56 : 652,185.16 = 355,663.20 : x
  2. Step 2: Convert to fraction form
    432,820.56/652,185.16 = 355,663.20/x
  3. Step 3: Cross multiply
    432,820.56x = 652,185.16 × 355,663.20
  4. Step 4: Simplify right side
    432,820.56x = 231,958,260,998.11
  5. Step 5: Solve for x
    x = 231,958,260,998.11/432,820.56
  6. Step 6: Final answer
    x = 535,922.46

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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.