Home / 511,849.98-706,579.50-330,650.28

Finding the Fourth Proportional to 511,849.98, 706,579.50 and 330,650.28

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Solution

The fourth proportional to 511,849.98, 706,579.50 and 330,650.28 is: 456,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,849.98 : 706,579.50 = 330,650.28 : x
  2. Step 2: Convert to fraction form
    511,849.98/706,579.50 = 330,650.28/x
  3. Step 3: Cross multiply
    511,849.98x = 706,579.50 × 330,650.28
  4. Step 4: Simplify right side
    511,849.98x = 233,630,709,517.26
  5. Step 5: Solve for x
    x = 233,630,709,517.26/511,849.98
  6. Step 6: Final answer
    x = 456,443.72

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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.