Home / 1,585,761.25-2,188,351.65-860,608.81

Finding the Fourth Proportional to 1,585,761.25, 2,188,351.65 and 860,608.81

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Solution

The fourth proportional to 1,585,761.25, 2,188,351.65 and 860,608.81 is: 1,187,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,761.25 : 2,188,351.65 = 860,608.81 : x
  2. Step 2: Convert to fraction form
    1,585,761.25/2,188,351.65 = 860,608.81/x
  3. Step 3: Cross multiply
    1,585,761.25x = 2,188,351.65 × 860,608.81
  4. Step 4: Simplify right side
    1,585,761.25x = 1,883,314,709,368.04
  5. Step 5: Solve for x
    x = 1,883,314,709,368.04/1,585,761.25
  6. Step 6: Final answer
    x = 1,187,640.77

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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.