Home / 350,021.20-482,827.96-220,913.79

Finding the Fourth Proportional to 350,021.20, 482,827.96 and 220,913.79

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Solution

The fourth proportional to 350,021.20, 482,827.96 and 220,913.79 is: 304,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,021.20 : 482,827.96 = 220,913.79 : x
  2. Step 2: Convert to fraction form
    350,021.20/482,827.96 = 220,913.79/x
  3. Step 3: Cross multiply
    350,021.20x = 482,827.96 × 220,913.79
  4. Step 4: Simplify right side
    350,021.20x = 106,663,354,561.57
  5. Step 5: Solve for x
    x = 106,663,354,561.57/350,021.20
  6. Step 6: Final answer
    x = 304,733.98

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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.