Home / 443,211.28-611,679.72-273,441.04

Finding the Fourth Proportional to 443,211.28, 611,679.72 and 273,441.04

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Solution

The fourth proportional to 443,211.28, 611,679.72 and 273,441.04 is: 377,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,211.28 : 611,679.72 = 273,441.04 : x
  2. Step 2: Convert to fraction form
    443,211.28/611,679.72 = 273,441.04/x
  3. Step 3: Cross multiply
    443,211.28x = 611,679.72 × 273,441.04
  4. Step 4: Simplify right side
    443,211.28x = 167,258,338,783.71
  5. Step 5: Solve for x
    x = 167,258,338,783.71/443,211.28
  6. Step 6: Final answer
    x = 377,378.34

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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.