Home / 809,582.82-1,117,202.98-446,998.88

Finding the Fourth Proportional to 809,582.82, 1,117,202.98 and 446,998.88

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Solution

The fourth proportional to 809,582.82, 1,117,202.98 and 446,998.88 is: 616,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,582.82 : 1,117,202.98 = 446,998.88 : x
  2. Step 2: Convert to fraction form
    809,582.82/1,117,202.98 = 446,998.88/x
  3. Step 3: Cross multiply
    809,582.82x = 1,117,202.98 × 446,998.88
  4. Step 4: Simplify right side
    809,582.82x = 499,388,480,164.16
  5. Step 5: Solve for x
    x = 499,388,480,164.16/809,582.82
  6. Step 6: Final answer
    x = 616,846.68

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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.