Home / 511,557.27-766,236.20-415,060.89

Finding the Fourth Proportional to 511,557.27, 766,236.20 and 415,060.89

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Solution

The fourth proportional to 511,557.27, 766,236.20 and 415,060.89 is: 621,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,557.27 : 766,236.20 = 415,060.89 : x
  2. Step 2: Convert to fraction form
    511,557.27/766,236.20 = 415,060.89/x
  3. Step 3: Cross multiply
    511,557.27x = 766,236.20 × 415,060.89
  4. Step 4: Simplify right side
    511,557.27x = 318,034,677,046.91
  5. Step 5: Solve for x
    x = 318,034,677,046.91/511,557.27
  6. Step 6: Final answer
    x = 621,699.07

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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.