Home / 809,283.58-1,116,811.40-446,707.53

Finding the Fourth Proportional to 809,283.58, 1,116,811.40 and 446,707.53

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Solution

The fourth proportional to 809,283.58, 1,116,811.40 and 446,707.53 is: 616,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,283.58 : 1,116,811.40 = 446,707.53 : x
  2. Step 2: Convert to fraction form
    809,283.58/1,116,811.40 = 446,707.53/x
  3. Step 3: Cross multiply
    809,283.58x = 1,116,811.40 × 446,707.53
  4. Step 4: Simplify right side
    809,283.58x = 498,888,059,736.30
  5. Step 5: Solve for x
    x = 498,888,059,736.30/809,283.58
  6. Step 6: Final answer
    x = 616,456.42

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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.