Home / 409,935.06-565,711.37-228,658.73

Finding the Fourth Proportional to 409,935.06, 565,711.37 and 228,658.73

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Solution

The fourth proportional to 409,935.06, 565,711.37 and 228,658.73 is: 315,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,935.06 : 565,711.37 = 228,658.73 : x
  2. Step 2: Convert to fraction form
    409,935.06/565,711.37 = 228,658.73/x
  3. Step 3: Cross multiply
    409,935.06x = 565,711.37 × 228,658.73
  4. Step 4: Simplify right side
    409,935.06x = 129,354,843,410.76
  5. Step 5: Solve for x
    x = 129,354,843,410.76/409,935.06
  6. Step 6: Final answer
    x = 315,549.60

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1.5x scale

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.