Home / 982,614.91-1,356,540.81-689,165.82

Finding the Fourth Proportional to 982,614.91, 1,356,540.81 and 689,165.82

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Solution

The fourth proportional to 982,614.91, 1,356,540.81 and 689,165.82 is: 951,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,614.91 : 1,356,540.81 = 689,165.82 : x
  2. Step 2: Convert to fraction form
    982,614.91/1,356,540.81 = 689,165.82/x
  3. Step 3: Cross multiply
    982,614.91x = 1,356,540.81 × 689,165.82
  4. Step 4: Simplify right side
    982,614.91x = 934,881,559,687.11
  5. Step 5: Solve for x
    x = 934,881,559,687.11/982,614.91
  6. Step 6: Final answer
    x = 951,422.12

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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.