Home / 809,409.68-1,116,994.38-446,833.72

Finding the Fourth Proportional to 809,409.68, 1,116,994.38 and 446,833.72

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Solution

The fourth proportional to 809,409.68, 1,116,994.38 and 446,833.72 is: 616,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,409.68 : 1,116,994.38 = 446,833.72 : x
  2. Step 2: Convert to fraction form
    809,409.68/1,116,994.38 = 446,833.72/x
  3. Step 3: Cross multiply
    809,409.68x = 1,116,994.38 × 446,833.72
  4. Step 4: Simplify right side
    809,409.68x = 499,110,754,034.49
  5. Step 5: Solve for x
    x = 499,110,754,034.49/809,409.68
  6. Step 6: Final answer
    x = 616,635.51

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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.