Home / 809,410.40-1,116,980.24-446,834.40

Finding the Fourth Proportional to 809,410.40, 1,116,980.24 and 446,834.40

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Solution

The fourth proportional to 809,410.40, 1,116,980.24 and 446,834.40 is: 616,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,410.40 : 1,116,980.24 = 446,834.40 : x
  2. Step 2: Convert to fraction form
    809,410.40/1,116,980.24 = 446,834.40/x
  3. Step 3: Cross multiply
    809,410.40x = 1,116,980.24 × 446,834.40
  4. Step 4: Simplify right side
    809,410.40x = 499,105,195,352.26
  5. Step 5: Solve for x
    x = 499,105,195,352.26/809,410.40
  6. Step 6: Final answer
    x = 616,628.10

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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.