Home / 985,698.21-1,359,789.12-577,546.61

Finding the Fourth Proportional to 985,698.21, 1,359,789.12 and 577,546.61

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Solution

The fourth proportional to 985,698.21, 1,359,789.12 and 577,546.61 is: 796,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,698.21 : 1,359,789.12 = 577,546.61 : x
  2. Step 2: Convert to fraction form
    985,698.21/1,359,789.12 = 577,546.61/x
  3. Step 3: Cross multiply
    985,698.21x = 1,359,789.12 × 577,546.61
  4. Step 4: Simplify right side
    985,698.21x = 785,341,589,771.94
  5. Step 5: Solve for x
    x = 785,341,589,771.94/985,698.21
  6. Step 6: Final answer
    x = 796,736.34

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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.