Home / 618,985.33-928,171.71-219,566.23

Finding the Fourth Proportional to 618,985.33, 928,171.71 and 219,566.23

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Solution

The fourth proportional to 618,985.33, 928,171.71 and 219,566.23 is: 329,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,985.33 : 928,171.71 = 219,566.23 : x
  2. Step 2: Convert to fraction form
    618,985.33/928,171.71 = 219,566.23/x
  3. Step 3: Cross multiply
    618,985.33x = 928,171.71 × 219,566.23
  4. Step 4: Simplify right side
    618,985.33x = 203,795,160,836.92
  5. Step 5: Solve for x
    x = 203,795,160,836.92/618,985.33
  6. Step 6: Final answer
    x = 329,240.70

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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.