Home / 670,289.94-1,005,500.52-220,827.42

Finding the Fourth Proportional to 670,289.94, 1,005,500.52 and 220,827.42

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Solution

The fourth proportional to 670,289.94, 1,005,500.52 and 220,827.42 is: 331,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,289.94 : 1,005,500.52 = 220,827.42 : x
  2. Step 2: Convert to fraction form
    670,289.94/1,005,500.52 = 220,827.42/x
  3. Step 3: Cross multiply
    670,289.94x = 1,005,500.52 × 220,827.42
  4. Step 4: Simplify right side
    670,289.94x = 222,042,085,640.26
  5. Step 5: Solve for x
    x = 222,042,085,640.26/670,289.94
  6. Step 6: Final answer
    x = 331,262.75

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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.