Home / 809,258.12-1,116,776.30-446,682.07

Finding the Fourth Proportional to 809,258.12, 1,116,776.30 and 446,682.07

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Solution

The fourth proportional to 809,258.12, 1,116,776.30 and 446,682.07 is: 616,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,258.12 : 1,116,776.30 = 446,682.07 : x
  2. Step 2: Convert to fraction form
    809,258.12/1,116,776.30 = 446,682.07/x
  3. Step 3: Cross multiply
    809,258.12x = 1,116,776.30 × 446,682.07
  4. Step 4: Simplify right side
    809,258.12x = 498,843,950,143.97
  5. Step 5: Solve for x
    x = 498,843,950,143.97/809,258.12
  6. Step 6: Final answer
    x = 616,421.31

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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.