Home / 860,640.32-1,289,779.44-544,531.34

Finding the Fourth Proportional to 860,640.32, 1,289,779.44 and 544,531.34

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Solution

The fourth proportional to 860,640.32, 1,289,779.44 and 544,531.34 is: 816,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,640.32 : 1,289,779.44 = 544,531.34 : x
  2. Step 2: Convert to fraction form
    860,640.32/1,289,779.44 = 544,531.34/x
  3. Step 3: Cross multiply
    860,640.32x = 1,289,779.44 × 544,531.34
  4. Step 4: Simplify right side
    860,640.32x = 702,325,326,767.65
  5. Step 5: Solve for x
    x = 702,325,326,767.65/860,640.32
  6. Step 6: Final answer
    x = 816,049.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.