Home / 451,178.38-622,626.16-269,897.94

Finding the Fourth Proportional to 451,178.38, 622,626.16 and 269,897.94

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Solution

The fourth proportional to 451,178.38, 622,626.16 and 269,897.94 is: 372,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,178.38 : 622,626.16 = 269,897.94 : x
  2. Step 2: Convert to fraction form
    451,178.38/622,626.16 = 269,897.94/x
  3. Step 3: Cross multiply
    451,178.38x = 622,626.16 × 269,897.94
  4. Step 4: Simplify right side
    451,178.38x = 168,045,517,974.11
  5. Step 5: Solve for x
    x = 168,045,517,974.11/451,178.38
  6. Step 6: Final answer
    x = 372,459.15

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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.