Home / 809,410.17-1,116,995.07-446,834.22

Finding the Fourth Proportional to 809,410.17, 1,116,995.07 and 446,834.22

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Solution

The fourth proportional to 809,410.17, 1,116,995.07 and 446,834.22 is: 616,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,410.17 : 1,116,995.07 = 446,834.22 : x
  2. Step 2: Convert to fraction form
    809,410.17/1,116,995.07 = 446,834.22/x
  3. Step 3: Cross multiply
    809,410.17x = 1,116,995.07 × 446,834.22
  4. Step 4: Simplify right side
    809,410.17x = 499,111,620,847.30
  5. Step 5: Solve for x
    x = 499,111,620,847.30/809,410.17
  6. Step 6: Final answer
    x = 616,636.21

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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.