Home / 866,269.94-1,299,590.34-259,105.88

Finding the Fourth Proportional to 866,269.94, 1,299,590.34 and 259,105.88

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Solution

The fourth proportional to 866,269.94, 1,299,590.34 and 259,105.88 is: 388,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,269.94 : 1,299,590.34 = 259,105.88 : x
  2. Step 2: Convert to fraction form
    866,269.94/1,299,590.34 = 259,105.88/x
  3. Step 3: Cross multiply
    866,269.94x = 1,299,590.34 × 259,105.88
  4. Step 4: Simplify right side
    866,269.94x = 336,731,501,934.18
  5. Step 5: Solve for x
    x = 336,731,501,934.18/866,269.94
  6. Step 6: Final answer
    x = 388,714.29

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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.