Home / 674,350.40-1,011,817.20-341,926.40

Finding the Fourth Proportional to 674,350.40, 1,011,817.20 and 341,926.40

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Solution

The fourth proportional to 674,350.40, 1,011,817.20 and 341,926.40 is: 513,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,350.40 : 1,011,817.20 = 341,926.40 : x
  2. Step 2: Convert to fraction form
    674,350.40/1,011,817.20 = 341,926.40/x
  3. Step 3: Cross multiply
    674,350.40x = 1,011,817.20 × 341,926.40
  4. Step 4: Simplify right side
    674,350.40x = 345,967,012,654.08
  5. Step 5: Solve for x
    x = 345,967,012,654.08/674,350.40
  6. Step 6: Final answer
    x = 513,037.45

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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.