Home / 674,434.20-1,011,359.70-337,344.60

Finding the Fourth Proportional to 674,434.20, 1,011,359.70 and 337,344.60

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Solution

The fourth proportional to 674,434.20, 1,011,359.70 and 337,344.60 is: 505,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,434.20 : 1,011,359.70 = 337,344.60 : x
  2. Step 2: Convert to fraction form
    674,434.20/1,011,359.70 = 337,344.60/x
  3. Step 3: Cross multiply
    674,434.20x = 1,011,359.70 × 337,344.60
  4. Step 4: Simplify right side
    674,434.20x = 341,176,733,452.62
  5. Step 5: Solve for x
    x = 341,176,733,452.62/674,434.20
  6. Step 6: Final answer
    x = 505,871.04

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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.