Home / 511,002.35-705,027.11-296,100.89

Finding the Fourth Proportional to 511,002.35, 705,027.11 and 296,100.89

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Solution

The fourth proportional to 511,002.35, 705,027.11 and 296,100.89 is: 408,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,002.35 : 705,027.11 = 296,100.89 : x
  2. Step 2: Convert to fraction form
    511,002.35/705,027.11 = 296,100.89/x
  3. Step 3: Cross multiply
    511,002.35x = 705,027.11 × 296,100.89
  4. Step 4: Simplify right side
    511,002.35x = 208,759,154,745.13
  5. Step 5: Solve for x
    x = 208,759,154,745.13/511,002.35
  6. Step 6: Final answer
    x = 408,528.76

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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.