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Finding the Fourth Proportional to 1,195,813.08, 1,789,802.46 and 655,245

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Solution

The fourth proportional to 1,195,813.08, 1,789,802.46 and 655,245 is: 980,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,813.08 : 1,789,802.46 = 655,245 : x
  2. Step 2: Convert to fraction form
    1,195,813.08/1,789,802.46 = 655,245/x
  3. Step 3: Cross multiply
    1,195,813.08x = 1,789,802.46 × 655,245
  4. Step 4: Simplify right side
    1,195,813.08x = 1,172,759,112,902.70
  5. Step 5: Solve for x
    x = 1,172,759,112,902.70/1,195,813.08
  6. Step 6: Final answer
    x = 980,721.09

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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.