Home / 808,949.88-1,213,638.66-276,468.84

Finding the Fourth Proportional to 808,949.88, 1,213,638.66 and 276,468.84

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Solution

The fourth proportional to 808,949.88, 1,213,638.66 and 276,468.84 is: 414,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,949.88 : 1,213,638.66 = 276,468.84 : x
  2. Step 2: Convert to fraction form
    808,949.88/1,213,638.66 = 276,468.84/x
  3. Step 3: Cross multiply
    808,949.88x = 1,213,638.66 × 276,468.84
  4. Step 4: Simplify right side
    808,949.88x = 335,533,272,509.35
  5. Step 5: Solve for x
    x = 335,533,272,509.35/808,949.88
  6. Step 6: Final answer
    x = 414,776.34

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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.