Home / 1,585,821.78-2,188,449.81-860,675.94

Finding the Fourth Proportional to 1,585,821.78, 2,188,449.81 and 860,675.94

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Solution

The fourth proportional to 1,585,821.78, 2,188,449.81 and 860,675.94 is: 1,187,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,821.78 : 2,188,449.81 = 860,675.94 : x
  2. Step 2: Convert to fraction form
    1,585,821.78/2,188,449.81 = 860,675.94/x
  3. Step 3: Cross multiply
    1,585,821.78x = 2,188,449.81 × 860,675.94
  4. Step 4: Simplify right side
    1,585,821.78x = 1,883,546,097,364.57
  5. Step 5: Solve for x
    x = 1,883,546,097,364.57/1,585,821.78
  6. Step 6: Final answer
    x = 1,187,741.35

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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.