Home / 509,124.38-763,784.82-193,556.70

Finding the Fourth Proportional to 509,124.38, 763,784.82 and 193,556.70

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Solution

The fourth proportional to 509,124.38, 763,784.82 and 193,556.70 is: 290,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,124.38 : 763,784.82 = 193,556.70 : x
  2. Step 2: Convert to fraction form
    509,124.38/763,784.82 = 193,556.70/x
  3. Step 3: Cross multiply
    509,124.38x = 763,784.82 × 193,556.70
  4. Step 4: Simplify right side
    509,124.38x = 147,835,669,269.29
  5. Step 5: Solve for x
    x = 147,835,669,269.29/509,124.38
  6. Step 6: Final answer
    x = 290,372.41

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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.