Home / 828,935.61-1,243,403.35-229,896.76

Finding the Fourth Proportional to 828,935.61, 1,243,403.35 and 229,896.76

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Solution

The fourth proportional to 828,935.61, 1,243,403.35 and 229,896.76 is: 344,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,935.61 : 1,243,403.35 = 229,896.76 : x
  2. Step 2: Convert to fraction form
    828,935.61/1,243,403.35 = 229,896.76/x
  3. Step 3: Cross multiply
    828,935.61x = 1,243,403.35 × 229,896.76
  4. Step 4: Simplify right side
    828,935.61x = 285,854,401,942.92
  5. Step 5: Solve for x
    x = 285,854,401,942.92/828,935.61
  6. Step 6: Final answer
    x = 344,845.12

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1.5x scale

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.