Home / 456,434.49-629,824.72-262,905.15

Finding the Fourth Proportional to 456,434.49, 629,824.72 and 262,905.15

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Solution

The fourth proportional to 456,434.49, 629,824.72 and 262,905.15 is: 362,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,434.49 : 629,824.72 = 262,905.15 : x
  2. Step 2: Convert to fraction form
    456,434.49/629,824.72 = 262,905.15/x
  3. Step 3: Cross multiply
    456,434.49x = 629,824.72 × 262,905.15
  4. Step 4: Simplify right side
    456,434.49x = 165,584,158,021.66
  5. Step 5: Solve for x
    x = 165,584,158,021.66/456,434.49
  6. Step 6: Final answer
    x = 362,777.49

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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.