Home / 456,045.86-629,313.29-262,422.31

Finding the Fourth Proportional to 456,045.86, 629,313.29 and 262,422.31

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Solution

The fourth proportional to 456,045.86, 629,313.29 and 262,422.31 is: 362,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,045.86 : 629,313.29 = 262,422.31 : x
  2. Step 2: Convert to fraction form
    456,045.86/629,313.29 = 262,422.31/x
  3. Step 3: Cross multiply
    456,045.86x = 629,313.29 × 262,422.31
  4. Step 4: Simplify right side
    456,045.86x = 165,145,848,848.78
  5. Step 5: Solve for x
    x = 165,145,848,848.78/456,045.86
  6. Step 6: Final answer
    x = 362,125.53

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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.