Home / 859,394.13-1,289,086.07-219,696.85

Finding the Fourth Proportional to 859,394.13, 1,289,086.07 and 219,696.85

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Solution

The fourth proportional to 859,394.13, 1,289,086.07 and 219,696.85 is: 329,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,394.13 : 1,289,086.07 = 219,696.85 : x
  2. Step 2: Convert to fraction form
    859,394.13/1,289,086.07 = 219,696.85/x
  3. Step 3: Cross multiply
    859,394.13x = 1,289,086.07 × 219,696.85
  4. Step 4: Simplify right side
    859,394.13x = 283,208,148,957.88
  5. Step 5: Solve for x
    x = 283,208,148,957.88/859,394.13
  6. Step 6: Final answer
    x = 329,543.96

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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.