Home / 377,961.50-521,586.90-208,195.62

Finding the Fourth Proportional to 377,961.50, 521,586.90 and 208,195.62

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Solution

The fourth proportional to 377,961.50, 521,586.90 and 208,195.62 is: 287,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,961.50 : 521,586.90 = 208,195.62 : x
  2. Step 2: Convert to fraction form
    377,961.50/521,586.90 = 208,195.62/x
  3. Step 3: Cross multiply
    377,961.50x = 521,586.90 × 208,195.62
  4. Step 4: Simplify right side
    377,961.50x = 108,592,108,029.38
  5. Step 5: Solve for x
    x = 108,592,108,029.38/377,961.50
  6. Step 6: Final answer
    x = 287,309.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.