Home / 860,541.30-1,188,033.45-654,977.88

Finding the Fourth Proportional to 860,541.30, 1,188,033.45 and 654,977.88

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Solution

The fourth proportional to 860,541.30, 1,188,033.45 and 654,977.88 is: 904,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,541.30 : 1,188,033.45 = 654,977.88 : x
  2. Step 2: Convert to fraction form
    860,541.30/1,188,033.45 = 654,977.88/x
  3. Step 3: Cross multiply
    860,541.30x = 1,188,033.45 × 654,977.88
  4. Step 4: Simplify right side
    860,541.30x = 778,135,630,450.09
  5. Step 5: Solve for x
    x = 778,135,630,450.09/860,541.30
  6. Step 6: Final answer
    x = 904,239.73

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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.