Home / 456,015.06-629,363.30-262,418.79

Finding the Fourth Proportional to 456,015.06, 629,363.30 and 262,418.79

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Solution

The fourth proportional to 456,015.06, 629,363.30 and 262,418.79 is: 362,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,015.06 : 629,363.30 = 262,418.79 : x
  2. Step 2: Convert to fraction form
    456,015.06/629,363.30 = 262,418.79/x
  3. Step 3: Cross multiply
    456,015.06x = 629,363.30 × 262,418.79
  4. Step 4: Simplify right side
    456,015.06x = 165,156,754,344.31
  5. Step 5: Solve for x
    x = 165,156,754,344.31/456,015.06
  6. Step 6: Final answer
    x = 362,173.90

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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.