Home / 1,585,979-2,188,645.62-860,826.68

Finding the Fourth Proportional to 1,585,979, 2,188,645.62 and 860,826.68

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Solution

The fourth proportional to 1,585,979, 2,188,645.62 and 860,826.68 is: 1,187,937.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,979 : 2,188,645.62 = 860,826.68 : x
  2. Step 2: Convert to fraction form
    1,585,979/2,188,645.62 = 860,826.68/x
  3. Step 3: Cross multiply
    1,585,979x = 2,188,645.62 × 860,826.68
  4. Step 4: Simplify right side
    1,585,979x = 1,884,044,542,761.14
  5. Step 5: Solve for x
    x = 1,884,044,542,761.14/1,585,979
  6. Step 6: Final answer
    x = 1,187,937.89

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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.