Home / 1,585,983.48-2,188,598.52-860,815.56

Finding the Fourth Proportional to 1,585,983.48, 2,188,598.52 and 860,815.56

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Solution

The fourth proportional to 1,585,983.48, 2,188,598.52 and 860,815.56 is: 1,187,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,983.48 : 2,188,598.52 = 860,815.56 : x
  2. Step 2: Convert to fraction form
    1,585,983.48/2,188,598.52 = 860,815.56/x
  3. Step 3: Cross multiply
    1,585,983.48x = 2,188,598.52 × 860,815.56
  4. Step 4: Simplify right side
    1,585,983.48x = 1,883,979,660,608.97
  5. Step 5: Solve for x
    x = 1,883,979,660,608.97/1,585,983.48
  6. Step 6: Final answer
    x = 1,187,893.62

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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.