Home / 670,010.55-1,004,799.86-220,624.43

Finding the Fourth Proportional to 670,010.55, 1,004,799.86 and 220,624.43

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Solution

The fourth proportional to 670,010.55, 1,004,799.86 and 220,624.43 is: 330,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,010.55 : 1,004,799.86 = 220,624.43 : x
  2. Step 2: Convert to fraction form
    670,010.55/1,004,799.86 = 220,624.43/x
  3. Step 3: Cross multiply
    670,010.55x = 1,004,799.86 × 220,624.43
  4. Step 4: Simplify right side
    670,010.55x = 221,683,394,844.80
  5. Step 5: Solve for x
    x = 221,683,394,844.80/670,010.55
  6. Step 6: Final answer
    x = 330,865.53

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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.