Home / 809,456.37-1,213,973.13-240,684.33

Finding the Fourth Proportional to 809,456.37, 1,213,973.13 and 240,684.33

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Solution

The fourth proportional to 809,456.37, 1,213,973.13 and 240,684.33 is: 360,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,456.37 : 1,213,973.13 = 240,684.33 : x
  2. Step 2: Convert to fraction form
    809,456.37/1,213,973.13 = 240,684.33/x
  3. Step 3: Cross multiply
    809,456.37x = 1,213,973.13 × 240,684.33
  4. Step 4: Simplify right side
    809,456.37x = 292,184,309,432.05
  5. Step 5: Solve for x
    x = 292,184,309,432.05/809,456.37
  6. Step 6: Final answer
    x = 360,963.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.