Home / 1,585,909.36-2,188,556.94-860,756.86

Finding the Fourth Proportional to 1,585,909.36, 2,188,556.94 and 860,756.86

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Solution

The fourth proportional to 1,585,909.36, 2,188,556.94 and 860,756.86 is: 1,187,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,909.36 : 2,188,556.94 = 860,756.86 : x
  2. Step 2: Convert to fraction form
    1,585,909.36/2,188,556.94 = 860,756.86/x
  3. Step 3: Cross multiply
    1,585,909.36x = 2,188,556.94 × 860,756.86
  4. Step 4: Simplify right side
    1,585,909.36x = 1,883,815,399,605.61
  5. Step 5: Solve for x
    x = 1,883,815,399,605.61/1,585,909.36
  6. Step 6: Final answer
    x = 1,187,845.56

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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.