Home / 691,093-1,036,639.50-192,457

Finding the Fourth Proportional to 691,093, 1,036,639.50 and 192,457

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Solution

The fourth proportional to 691,093, 1,036,639.50 and 192,457 is: 288,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,093 : 1,036,639.50 = 192,457 : x
  2. Step 2: Convert to fraction form
    691,093/1,036,639.50 = 192,457/x
  3. Step 3: Cross multiply
    691,093x = 1,036,639.50 × 192,457
  4. Step 4: Simplify right side
    691,093x = 199,508,528,251.50
  5. Step 5: Solve for x
    x = 199,508,528,251.50/691,093
  6. Step 6: Final answer
    x = 288,685.50

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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.