Home / 402,193.26-555,033.58-220,912.82

Finding the Fourth Proportional to 402,193.26, 555,033.58 and 220,912.82

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Solution

The fourth proportional to 402,193.26, 555,033.58 and 220,912.82 is: 304,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,193.26 : 555,033.58 = 220,912.82 : x
  2. Step 2: Convert to fraction form
    402,193.26/555,033.58 = 220,912.82/x
  3. Step 3: Cross multiply
    402,193.26x = 555,033.58 × 220,912.82
  4. Step 4: Simplify right side
    402,193.26x = 122,614,033,352.50
  5. Step 5: Solve for x
    x = 122,614,033,352.50/402,193.26
  6. Step 6: Final answer
    x = 304,863.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.