Home / 809,318.62-1,116,853.40-446,742.59

Finding the Fourth Proportional to 809,318.62, 1,116,853.40 and 446,742.59

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Solution

The fourth proportional to 809,318.62, 1,116,853.40 and 446,742.59 is: 616,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,318.62 : 1,116,853.40 = 446,742.59 : x
  2. Step 2: Convert to fraction form
    809,318.62/1,116,853.40 = 446,742.59/x
  3. Step 3: Cross multiply
    809,318.62x = 1,116,853.40 × 446,742.59
  4. Step 4: Simplify right side
    809,318.62x = 498,945,978,332.59
  5. Step 5: Solve for x
    x = 498,945,978,332.59/809,318.62
  6. Step 6: Final answer
    x = 616,501.30

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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.