Home / 1,451,509.70-2,172,526.79-1,067,156.78

Finding the Fourth Proportional to 1,451,509.70, 2,172,526.79 and 1,067,156.78

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Solution

The fourth proportional to 1,451,509.70, 2,172,526.79 and 1,067,156.78 is: 1,597,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,509.70 : 2,172,526.79 = 1,067,156.78 : x
  2. Step 2: Convert to fraction form
    1,451,509.70/2,172,526.79 = 1,067,156.78/x
  3. Step 3: Cross multiply
    1,451,509.70x = 2,172,526.79 × 1,067,156.78
  4. Step 4: Simplify right side
    1,451,509.70x = 2,318,426,677,481.72
  5. Step 5: Solve for x
    x = 2,318,426,677,481.72/1,451,509.70
  6. Step 6: Final answer
    x = 1,597,251.94

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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.