Home / 935,991.20-1,401,913.20-811,575.20

Finding the Fourth Proportional to 935,991.20, 1,401,913.20 and 811,575.20

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Solution

The fourth proportional to 935,991.20, 1,401,913.20 and 811,575.20 is: 1,215,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,991.20 : 1,401,913.20 = 811,575.20 : x
  2. Step 2: Convert to fraction form
    935,991.20/1,401,913.20 = 811,575.20/x
  3. Step 3: Cross multiply
    935,991.20x = 1,401,913.20 × 811,575.20
  4. Step 4: Simplify right side
    935,991.20x = 1,137,757,985,672.64
  5. Step 5: Solve for x
    x = 1,137,757,985,672.64/935,991.20
  6. Step 6: Final answer
    x = 1,215,564.83

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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.