Home / 935,992.20-1,401,914.70-811,576.20

Finding the Fourth Proportional to 935,992.20, 1,401,914.70 and 811,576.20

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Solution

The fourth proportional to 935,992.20, 1,401,914.70 and 811,576.20 is: 1,215,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,992.20 : 1,401,914.70 = 811,576.20 : x
  2. Step 2: Convert to fraction form
    935,992.20/1,401,914.70 = 811,576.20/x
  3. Step 3: Cross multiply
    935,992.20x = 1,401,914.70 × 811,576.20
  4. Step 4: Simplify right side
    935,992.20x = 1,137,760,604,950.14
  5. Step 5: Solve for x
    x = 1,137,760,604,950.14/935,992.20
  6. Step 6: Final answer
    x = 1,215,566.33

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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.