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Finding the Fourth Proportional to 1,136,584.72, 1,703,971.75 and 656,267.85

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Solution

The fourth proportional to 1,136,584.72, 1,703,971.75 and 656,267.85 is: 983,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,584.72 : 1,703,971.75 = 656,267.85 : x
  2. Step 2: Convert to fraction form
    1,136,584.72/1,703,971.75 = 656,267.85/x
  3. Step 3: Cross multiply
    1,136,584.72x = 1,703,971.75 × 656,267.85
  4. Step 4: Simplify right side
    1,136,584.72x = 1,118,261,876,833.24
  5. Step 5: Solve for x
    x = 1,118,261,876,833.24/1,136,584.72
  6. Step 6: Final answer
    x = 983,879.03

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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.