Home / 451,178.64-622,626.48-269,898.18

Finding the Fourth Proportional to 451,178.64, 622,626.48 and 269,898.18

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Solution

The fourth proportional to 451,178.64, 622,626.48 and 269,898.18 is: 372,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,178.64 : 622,626.48 = 269,898.18 : x
  2. Step 2: Convert to fraction form
    451,178.64/622,626.48 = 269,898.18/x
  3. Step 3: Cross multiply
    451,178.64x = 622,626.48 × 269,898.18
  4. Step 4: Simplify right side
    451,178.64x = 168,045,753,771.81
  5. Step 5: Solve for x
    x = 168,045,753,771.81/451,178.64
  6. Step 6: Final answer
    x = 372,459.46

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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.