Home / 809,406.19-1,116,984.12-446,833.03

Finding the Fourth Proportional to 809,406.19, 1,116,984.12 and 446,833.03

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Solution

The fourth proportional to 809,406.19, 1,116,984.12 and 446,833.03 is: 616,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,406.19 : 1,116,984.12 = 446,833.03 : x
  2. Step 2: Convert to fraction form
    809,406.19/1,116,984.12 = 446,833.03/x
  3. Step 3: Cross multiply
    809,406.19x = 1,116,984.12 × 446,833.03
  4. Step 4: Simplify right side
    809,406.19x = 499,105,398,801.48
  5. Step 5: Solve for x
    x = 499,105,398,801.48/809,406.19
  6. Step 6: Final answer
    x = 616,631.56

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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.