Home / 809,401.32-1,116,977.39-446,828.16

Finding the Fourth Proportional to 809,401.32, 1,116,977.39 and 446,828.16

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Solution

The fourth proportional to 809,401.32, 1,116,977.39 and 446,828.16 is: 616,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,401.32 : 1,116,977.39 = 446,828.16 : x
  2. Step 2: Convert to fraction form
    809,401.32/1,116,977.39 = 446,828.16/x
  3. Step 3: Cross multiply
    809,401.32x = 1,116,977.39 × 446,828.16
  4. Step 4: Simplify right side
    809,401.32x = 499,096,951,935.30
  5. Step 5: Solve for x
    x = 499,096,951,935.30/809,401.32
  6. Step 6: Final answer
    x = 616,624.83

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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.