Home / 853,626.89-1,178,554.27-547,835.09

Finding the Fourth Proportional to 853,626.89, 1,178,554.27 and 547,835.09

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Solution

The fourth proportional to 853,626.89, 1,178,554.27 and 547,835.09 is: 756,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,626.89 : 1,178,554.27 = 547,835.09 : x
  2. Step 2: Convert to fraction form
    853,626.89/1,178,554.27 = 547,835.09/x
  3. Step 3: Cross multiply
    853,626.89x = 1,178,554.27 × 547,835.09
  4. Step 4: Simplify right side
    853,626.89x = 645,653,375,943.39
  5. Step 5: Solve for x
    x = 645,653,375,943.39/853,626.89
  6. Step 6: Final answer
    x = 756,364.85

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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.