Home / 929,757.88-1,395,309.12-330,724

Finding the Fourth Proportional to 929,757.88, 1,395,309.12 and 330,724

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Solution

The fourth proportional to 929,757.88, 1,395,309.12 and 330,724 is: 496,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,757.88 : 1,395,309.12 = 330,724 : x
  2. Step 2: Convert to fraction form
    929,757.88/1,395,309.12 = 330,724/x
  3. Step 3: Cross multiply
    929,757.88x = 1,395,309.12 × 330,724
  4. Step 4: Simplify right side
    929,757.88x = 461,462,213,402.88
  5. Step 5: Solve for x
    x = 461,462,213,402.88/929,757.88
  6. Step 6: Final answer
    x = 496,325.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.