Home / 809,388.25-1,116,948.94-446,804.33

Finding the Fourth Proportional to 809,388.25, 1,116,948.94 and 446,804.33

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Solution

The fourth proportional to 809,388.25, 1,116,948.94 and 446,804.33 is: 616,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,388.25 : 1,116,948.94 = 446,804.33 : x
  2. Step 2: Convert to fraction form
    809,388.25/1,116,948.94 = 446,804.33/x
  3. Step 3: Cross multiply
    809,388.25x = 1,116,948.94 × 446,804.33
  4. Step 4: Simplify right side
    809,388.25x = 499,057,619,011.19
  5. Step 5: Solve for x
    x = 499,057,619,011.19/809,388.25
  6. Step 6: Final answer
    x = 616,586.19

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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.