Home / 866,969.10-1,196,453.97-535,898.61

Finding the Fourth Proportional to 866,969.10, 1,196,453.97 and 535,898.61

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Solution

The fourth proportional to 866,969.10, 1,196,453.97 and 535,898.61 is: 739,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,969.10 : 1,196,453.97 = 535,898.61 : x
  2. Step 2: Convert to fraction form
    866,969.10/1,196,453.97 = 535,898.61/x
  3. Step 3: Cross multiply
    866,969.10x = 1,196,453.97 × 535,898.61
  4. Step 4: Simplify right side
    866,969.10x = 641,178,019,451.98
  5. Step 5: Solve for x
    x = 641,178,019,451.98/866,969.10
  6. Step 6: Final answer
    x = 739,562.71

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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.