Home / 1,127,546.72-1,691,568.86-328,890.77

Finding the Fourth Proportional to 1,127,546.72, 1,691,568.86 and 328,890.77

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Solution

The fourth proportional to 1,127,546.72, 1,691,568.86 and 328,890.77 is: 493,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,546.72 : 1,691,568.86 = 328,890.77 : x
  2. Step 2: Convert to fraction form
    1,127,546.72/1,691,568.86 = 328,890.77/x
  3. Step 3: Cross multiply
    1,127,546.72x = 1,691,568.86 × 328,890.77
  4. Step 4: Simplify right side
    1,127,546.72x = 556,341,384,873.42
  5. Step 5: Solve for x
    x = 556,341,384,873.42/1,127,546.72
  6. Step 6: Final answer
    x = 493,408.72

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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.