Home / 674,806.20-1,011,917.70-337,716.60

Finding the Fourth Proportional to 674,806.20, 1,011,917.70 and 337,716.60

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Solution

The fourth proportional to 674,806.20, 1,011,917.70 and 337,716.60 is: 506,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,806.20 : 1,011,917.70 = 337,716.60 : x
  2. Step 2: Convert to fraction form
    674,806.20/1,011,917.70 = 337,716.60/x
  3. Step 3: Cross multiply
    674,806.20x = 1,011,917.70 × 337,716.60
  4. Step 4: Simplify right side
    674,806.20x = 341,741,405,123.82
  5. Step 5: Solve for x
    x = 341,741,405,123.82/674,806.20
  6. Step 6: Final answer
    x = 506,428.96

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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.