Home / 825,578.40-1,237,201.20-509,095.20

Finding the Fourth Proportional to 825,578.40, 1,237,201.20 and 509,095.20

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Solution

The fourth proportional to 825,578.40, 1,237,201.20 and 509,095.20 is: 762,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,578.40 : 1,237,201.20 = 509,095.20 : x
  2. Step 2: Convert to fraction form
    825,578.40/1,237,201.20 = 509,095.20/x
  3. Step 3: Cross multiply
    825,578.40x = 1,237,201.20 × 509,095.20
  4. Step 4: Simplify right side
    825,578.40x = 629,853,192,354.24
  5. Step 5: Solve for x
    x = 629,853,192,354.24/825,578.40
  6. Step 6: Final answer
    x = 762,923.54

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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.