Home / 511,233.08-705,418.67-296,331.17

Finding the Fourth Proportional to 511,233.08, 705,418.67 and 296,331.17

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Solution

The fourth proportional to 511,233.08, 705,418.67 and 296,331.17 is: 408,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,233.08 : 705,418.67 = 296,331.17 : x
  2. Step 2: Convert to fraction form
    511,233.08/705,418.67 = 296,331.17/x
  3. Step 3: Cross multiply
    511,233.08x = 705,418.67 × 296,331.17
  4. Step 4: Simplify right side
    511,233.08x = 209,037,537,034.68
  5. Step 5: Solve for x
    x = 209,037,537,034.68/511,233.08
  6. Step 6: Final answer
    x = 408,888.91

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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.