Home / 1,585,833.03-2,188,465.34-860,687.19

Finding the Fourth Proportional to 1,585,833.03, 2,188,465.34 and 860,687.19

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Solution

The fourth proportional to 1,585,833.03, 2,188,465.34 and 860,687.19 is: 1,187,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,833.03 : 2,188,465.34 = 860,687.19 : x
  2. Step 2: Convert to fraction form
    1,585,833.03/2,188,465.34 = 860,687.19/x
  3. Step 3: Cross multiply
    1,585,833.03x = 2,188,465.34 × 860,687.19
  4. Step 4: Simplify right side
    1,585,833.03x = 1,883,584,079,593.56
  5. Step 5: Solve for x
    x = 1,883,584,079,593.56/1,585,833.03
  6. Step 6: Final answer
    x = 1,187,756.87

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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.