Home / 1,235,514.40-1,704,996.86-691,654.66

Finding the Fourth Proportional to 1,235,514.40, 1,704,996.86 and 691,654.66

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Solution

The fourth proportional to 1,235,514.40, 1,704,996.86 and 691,654.66 is: 954,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,514.40 : 1,704,996.86 = 691,654.66 : x
  2. Step 2: Convert to fraction form
    1,235,514.40/1,704,996.86 = 691,654.66/x
  3. Step 3: Cross multiply
    1,235,514.40x = 1,704,996.86 × 691,654.66
  4. Step 4: Simplify right side
    1,235,514.40x = 1,179,269,025,374.21
  5. Step 5: Solve for x
    x = 1,179,269,025,374.21/1,235,514.40
  6. Step 6: Final answer
    x = 954,476.15

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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.