Home / 1,585,955.86-2,188,591.62-860,788.01

Finding the Fourth Proportional to 1,585,955.86, 2,188,591.62 and 860,788.01

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Solution

The fourth proportional to 1,585,955.86, 2,188,591.62 and 860,788.01 is: 1,187,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,955.86 : 2,188,591.62 = 860,788.01 : x
  2. Step 2: Convert to fraction form
    1,585,955.86/2,188,591.62 = 860,788.01/x
  3. Step 3: Cross multiply
    1,585,955.86x = 2,188,591.62 × 860,788.01
  4. Step 4: Simplify right side
    1,585,955.86x = 1,883,913,414,339.52
  5. Step 5: Solve for x
    x = 1,883,913,414,339.52/1,585,955.86
  6. Step 6: Final answer
    x = 1,187,872.54

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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.