Home / 746,926.50-1,120,440.78-214,406.58

Finding the Fourth Proportional to 746,926.50, 1,120,440.78 and 214,406.58

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Solution

The fourth proportional to 746,926.50, 1,120,440.78 and 214,406.58 is: 321,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,926.50 : 1,120,440.78 = 214,406.58 : x
  2. Step 2: Convert to fraction form
    746,926.50/1,120,440.78 = 214,406.58/x
  3. Step 3: Cross multiply
    746,926.50x = 1,120,440.78 × 214,406.58
  4. Step 4: Simplify right side
    746,926.50x = 240,229,875,732.33
  5. Step 5: Solve for x
    x = 240,229,875,732.33/746,926.50
  6. Step 6: Final answer
    x = 321,624.52

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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.