Home / 829,395.38-1,244,290.50-268,429.88

Finding the Fourth Proportional to 829,395.38, 1,244,290.50 and 268,429.88

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Solution

The fourth proportional to 829,395.38, 1,244,290.50 and 268,429.88 is: 402,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,395.38 : 1,244,290.50 = 268,429.88 : x
  2. Step 2: Convert to fraction form
    829,395.38/1,244,290.50 = 268,429.88/x
  3. Step 3: Cross multiply
    829,395.38x = 1,244,290.50 × 268,429.88
  4. Step 4: Simplify right side
    829,395.38x = 334,004,749,600.14
  5. Step 5: Solve for x
    x = 334,004,749,600.14/829,395.38
  6. Step 6: Final answer
    x = 402,708.72

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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.