Home / 1,585,761.60-2,188,352.70-860,609.64

Finding the Fourth Proportional to 1,585,761.60, 2,188,352.70 and 860,609.64

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Solution

The fourth proportional to 1,585,761.60, 2,188,352.70 and 860,609.64 is: 1,187,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,761.60 : 2,188,352.70 = 860,609.64 : x
  2. Step 2: Convert to fraction form
    1,585,761.60/2,188,352.70 = 860,609.64/x
  3. Step 3: Cross multiply
    1,585,761.60x = 2,188,352.70 × 860,609.64
  4. Step 4: Simplify right side
    1,585,761.60x = 1,883,317,429,340.03
  5. Step 5: Solve for x
    x = 1,883,317,429,340.03/1,585,761.60
  6. Step 6: Final answer
    x = 1,187,642.22

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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.