Home / 456,021.34-629,348.28-265,022.43

Finding the Fourth Proportional to 456,021.34, 629,348.28 and 265,022.43

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Solution

The fourth proportional to 456,021.34, 629,348.28 and 265,022.43 is: 365,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,021.34 : 629,348.28 = 265,022.43 : x
  2. Step 2: Convert to fraction form
    456,021.34/629,348.28 = 265,022.43/x
  3. Step 3: Cross multiply
    456,021.34x = 629,348.28 × 265,022.43
  4. Step 4: Simplify right side
    456,021.34x = 166,791,406,010.07
  5. Step 5: Solve for x
    x = 166,791,406,010.07/456,021.34
  6. Step 6: Final answer
    x = 365,753.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.