Home / 1,585,977.20-2,188,589.89-860,809.46

Finding the Fourth Proportional to 1,585,977.20, 2,188,589.89 and 860,809.46

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Solution

The fourth proportional to 1,585,977.20, 2,188,589.89 and 860,809.46 is: 1,187,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,977.20 : 2,188,589.89 = 860,809.46 : x
  2. Step 2: Convert to fraction form
    1,585,977.20/2,188,589.89 = 860,809.46/x
  3. Step 3: Cross multiply
    1,585,977.20x = 2,188,589.89 × 860,809.46
  4. Step 4: Simplify right side
    1,585,977.20x = 1,883,958,881,372.36
  5. Step 5: Solve for x
    x = 1,883,958,881,372.36/1,585,977.20
  6. Step 6: Final answer
    x = 1,187,885.22

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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.