Home / 804,989.82-1,109,715.42-562,519.86

Finding the Fourth Proportional to 804,989.82, 1,109,715.42 and 562,519.86

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Solution

The fourth proportional to 804,989.82, 1,109,715.42 and 562,519.86 is: 775,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,989.82 : 1,109,715.42 = 562,519.86 : x
  2. Step 2: Convert to fraction form
    804,989.82/1,109,715.42 = 562,519.86/x
  3. Step 3: Cross multiply
    804,989.82x = 1,109,715.42 × 562,519.86
  4. Step 4: Simplify right side
    804,989.82x = 624,236,962,698.24
  5. Step 5: Solve for x
    x = 624,236,962,698.24/804,989.82
  6. Step 6: Final answer
    x = 775,459.45

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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.