Home / 711,282.45-1,067,484.57-312,198.69

Finding the Fourth Proportional to 711,282.45, 1,067,484.57 and 312,198.69

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Solution

The fourth proportional to 711,282.45, 1,067,484.57 and 312,198.69 is: 468,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,282.45 : 1,067,484.57 = 312,198.69 : x
  2. Step 2: Convert to fraction form
    711,282.45/1,067,484.57 = 312,198.69/x
  3. Step 3: Cross multiply
    711,282.45x = 1,067,484.57 × 312,198.69
  4. Step 4: Simplify right side
    711,282.45x = 333,267,284,349.21
  5. Step 5: Solve for x
    x = 333,267,284,349.21/711,282.45
  6. Step 6: Final answer
    x = 468,544.23

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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.