Home / 432,820.06-652,184.40-355,662.70

Finding the Fourth Proportional to 432,820.06, 652,184.40 and 355,662.70

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Solution

The fourth proportional to 432,820.06, 652,184.40 and 355,662.70 is: 535,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,820.06 : 652,184.40 = 355,662.70 : x
  2. Step 2: Convert to fraction form
    432,820.06/652,184.40 = 355,662.70/x
  3. Step 3: Cross multiply
    432,820.06x = 652,184.40 × 355,662.70
  4. Step 4: Simplify right side
    432,820.06x = 231,957,664,601.88
  5. Step 5: Solve for x
    x = 231,957,664,601.88/432,820.06
  6. Step 6: Final answer
    x = 535,921.71

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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.