Home / 511,186.20-705,436.98-296,450.82

Finding the Fourth Proportional to 511,186.20, 705,436.98 and 296,450.82

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Solution

The fourth proportional to 511,186.20, 705,436.98 and 296,450.82 is: 409,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,186.20 : 705,436.98 = 296,450.82 : x
  2. Step 2: Convert to fraction form
    511,186.20/705,436.98 = 296,450.82/x
  3. Step 3: Cross multiply
    511,186.20x = 705,436.98 × 296,450.82
  4. Step 4: Simplify right side
    511,186.20x = 209,127,371,179.32
  5. Step 5: Solve for x
    x = 209,127,371,179.32/511,186.20
  6. Step 6: Final answer
    x = 409,102.15

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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.