Home / 665,824.43-918,844.41-359,906.73

Finding the Fourth Proportional to 665,824.43, 918,844.41 and 359,906.73

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Solution

The fourth proportional to 665,824.43, 918,844.41 and 359,906.73 is: 496,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,824.43 : 918,844.41 = 359,906.73 : x
  2. Step 2: Convert to fraction form
    665,824.43/918,844.41 = 359,906.73/x
  3. Step 3: Cross multiply
    665,824.43x = 918,844.41 × 359,906.73
  4. Step 4: Simplify right side
    665,824.43x = 330,698,286,981.88
  5. Step 5: Solve for x
    x = 330,698,286,981.88/665,824.43
  6. Step 6: Final answer
    x = 496,674.91

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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.