Home / 1,015,500.66-1,523,213.94-408,476.94

Finding the Fourth Proportional to 1,015,500.66, 1,523,213.94 and 408,476.94

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Solution

The fourth proportional to 1,015,500.66, 1,523,213.94 and 408,476.94 is: 612,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,500.66 : 1,523,213.94 = 408,476.94 : x
  2. Step 2: Convert to fraction form
    1,015,500.66/1,523,213.94 = 408,476.94/x
  3. Step 3: Cross multiply
    1,015,500.66x = 1,523,213.94 × 408,476.94
  4. Step 4: Simplify right side
    1,015,500.66x = 622,197,769,176.54
  5. Step 5: Solve for x
    x = 622,197,769,176.54/1,015,500.66
  6. Step 6: Final answer
    x = 612,700.51

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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.