Home / 882,691.51-1,324,046.99-660,939.43

Finding the Fourth Proportional to 882,691.51, 1,324,046.99 and 660,939.43

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Solution

The fourth proportional to 882,691.51, 1,324,046.99 and 660,939.43 is: 991,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,691.51 : 1,324,046.99 = 660,939.43 : x
  2. Step 2: Convert to fraction form
    882,691.51/1,324,046.99 = 660,939.43/x
  3. Step 3: Cross multiply
    882,691.51x = 1,324,046.99 × 660,939.43
  4. Step 4: Simplify right side
    882,691.51x = 875,114,862,863.82
  5. Step 5: Solve for x
    x = 875,114,862,863.82/882,691.51
  6. Step 6: Final answer
    x = 991,416.43

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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.