Home / 809,401.54-1,116,983.16-446,825.58

Finding the Fourth Proportional to 809,401.54, 1,116,983.16 and 446,825.58

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Solution

The fourth proportional to 809,401.54, 1,116,983.16 and 446,825.58 is: 616,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,401.54 : 1,116,983.16 = 446,825.58 : x
  2. Step 2: Convert to fraction form
    809,401.54/1,116,983.16 = 446,825.58/x
  3. Step 3: Cross multiply
    809,401.54x = 1,116,983.16 × 446,825.58
  4. Step 4: Simplify right side
    809,401.54x = 499,096,648,317.23
  5. Step 5: Solve for x
    x = 499,096,648,317.23/809,401.54
  6. Step 6: Final answer
    x = 616,624.29

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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.