Home / 819,100.24-1,228,567.34-219,983.56

Finding the Fourth Proportional to 819,100.24, 1,228,567.34 and 219,983.56

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Solution

The fourth proportional to 819,100.24, 1,228,567.34 and 219,983.56 is: 329,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,100.24 : 1,228,567.34 = 219,983.56 : x
  2. Step 2: Convert to fraction form
    819,100.24/1,228,567.34 = 219,983.56/x
  3. Step 3: Cross multiply
    819,100.24x = 1,228,567.34 × 219,983.56
  4. Step 4: Simplify right side
    819,100.24x = 270,264,617,152.93
  5. Step 5: Solve for x
    x = 270,264,617,152.93/819,100.24
  6. Step 6: Final answer
    x = 329,953.04

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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.