Home / 509,152.32-763,826.82-193,584.69

Finding the Fourth Proportional to 509,152.32, 763,826.82 and 193,584.69

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Solution

The fourth proportional to 509,152.32, 763,826.82 and 193,584.69 is: 290,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,152.32 : 763,826.82 = 193,584.69 : x
  2. Step 2: Convert to fraction form
    509,152.32/763,826.82 = 193,584.69/x
  3. Step 3: Cross multiply
    509,152.32x = 763,826.82 × 193,584.69
  4. Step 4: Simplify right side
    509,152.32x = 147,865,178,163.39
  5. Step 5: Solve for x
    x = 147,865,178,163.39/509,152.32
  6. Step 6: Final answer
    x = 290,414.42

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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.