Home / 1,585,997.43-2,188,617.79-860,829.72

Finding the Fourth Proportional to 1,585,997.43, 2,188,617.79 and 860,829.72

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Solution

The fourth proportional to 1,585,997.43, 2,188,617.79 and 860,829.72 is: 1,187,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,997.43 : 2,188,617.79 = 860,829.72 : x
  2. Step 2: Convert to fraction form
    1,585,997.43/2,188,617.79 = 860,829.72/x
  3. Step 3: Cross multiply
    1,585,997.43x = 2,188,617.79 × 860,829.72
  4. Step 4: Simplify right side
    1,585,997.43x = 1,884,027,239,352.72
  5. Step 5: Solve for x
    x = 1,884,027,239,352.72/1,585,997.43
  6. Step 6: Final answer
    x = 1,187,913.17

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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.