Home / 511,008.84-705,036.09-296,107.38

Finding the Fourth Proportional to 511,008.84, 705,036.09 and 296,107.38

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Solution

The fourth proportional to 511,008.84, 705,036.09 and 296,107.38 is: 408,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,008.84 : 705,036.09 = 296,107.38 : x
  2. Step 2: Convert to fraction form
    511,008.84/705,036.09 = 296,107.38/x
  3. Step 3: Cross multiply
    511,008.84x = 705,036.09 × 296,107.38
  4. Step 4: Simplify right side
    511,008.84x = 208,766,385,890.16
  5. Step 5: Solve for x
    x = 208,766,385,890.16/511,008.84
  6. Step 6: Final answer
    x = 408,537.72

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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.