Home / 807,879.60-1,211,236.20-527,554.80

Finding the Fourth Proportional to 807,879.60, 1,211,236.20 and 527,554.80

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Solution

The fourth proportional to 807,879.60, 1,211,236.20 and 527,554.80 is: 790,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,879.60 : 1,211,236.20 = 527,554.80 : x
  2. Step 2: Convert to fraction form
    807,879.60/1,211,236.20 = 527,554.80/x
  3. Step 3: Cross multiply
    807,879.60x = 1,211,236.20 × 527,554.80
  4. Step 4: Simplify right side
    807,879.60x = 638,993,471,243.76
  5. Step 5: Solve for x
    x = 638,993,471,243.76/807,879.60
  6. Step 6: Final answer
    x = 790,951.36

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1.5x scale

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.