Home / 809,289.46-1,116,819.51-446,713.41

Finding the Fourth Proportional to 809,289.46, 1,116,819.51 and 446,713.41

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Solution

The fourth proportional to 809,289.46, 1,116,819.51 and 446,713.41 is: 616,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,289.46 : 1,116,819.51 = 446,713.41 : x
  2. Step 2: Convert to fraction form
    809,289.46/1,116,819.51 = 446,713.41/x
  3. Step 3: Cross multiply
    809,289.46x = 1,116,819.51 × 446,713.41
  4. Step 4: Simplify right side
    809,289.46x = 498,898,251,666.63
  5. Step 5: Solve for x
    x = 498,898,251,666.63/809,289.46
  6. Step 6: Final answer
    x = 616,464.54

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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.