Home / 809,500.58-1,117,088.57-446,917.85

Finding the Fourth Proportional to 809,500.58, 1,117,088.57 and 446,917.85

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Solution

The fourth proportional to 809,500.58, 1,117,088.57 and 446,917.85 is: 616,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,500.58 : 1,117,088.57 = 446,917.85 : x
  2. Step 2: Convert to fraction form
    809,500.58/1,117,088.57 = 446,917.85/x
  3. Step 3: Cross multiply
    809,500.58x = 1,117,088.57 × 446,917.85
  4. Step 4: Simplify right side
    809,500.58x = 499,246,819,729.39
  5. Step 5: Solve for x
    x = 499,246,819,729.39/809,500.58
  6. Step 6: Final answer
    x = 616,734.36

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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.