Home / 847,819.32-1,272,808.11-549,548.03

Finding the Fourth Proportional to 847,819.32, 1,272,808.11 and 549,548.03

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Solution

The fourth proportional to 847,819.32, 1,272,808.11 and 549,548.03 is: 825,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,819.32 : 1,272,808.11 = 549,548.03 : x
  2. Step 2: Convert to fraction form
    847,819.32/1,272,808.11 = 549,548.03/x
  3. Step 3: Cross multiply
    847,819.32x = 1,272,808.11 × 549,548.03
  4. Step 4: Simplify right side
    847,819.32x = 699,469,183,054.48
  5. Step 5: Solve for x
    x = 699,469,183,054.48/847,819.32
  6. Step 6: Final answer
    x = 825,021.52

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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.