Home / 509,152.22-763,826.68-193,584.59

Finding the Fourth Proportional to 509,152.22, 763,826.68 and 193,584.59

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Solution

The fourth proportional to 509,152.22, 763,826.68 and 193,584.59 is: 290,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,152.22 : 763,826.68 = 193,584.59 : x
  2. Step 2: Convert to fraction form
    509,152.22/763,826.68 = 193,584.59/x
  3. Step 3: Cross multiply
    509,152.22x = 763,826.68 × 193,584.59
  4. Step 4: Simplify right side
    509,152.22x = 147,865,072,877.15
  5. Step 5: Solve for x
    x = 147,865,072,877.15/509,152.22
  6. Step 6: Final answer
    x = 290,414.28

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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.