Home / 988,612.43-1,364,414.33-558,892.56

Finding the Fourth Proportional to 988,612.43, 1,364,414.33 and 558,892.56

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Solution

The fourth proportional to 988,612.43, 1,364,414.33 and 558,892.56 is: 771,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,612.43 : 1,364,414.33 = 558,892.56 : x
  2. Step 2: Convert to fraction form
    988,612.43/1,364,414.33 = 558,892.56/x
  3. Step 3: Cross multiply
    988,612.43x = 1,364,414.33 × 558,892.56
  4. Step 4: Simplify right side
    988,612.43x = 762,561,014,999.92
  5. Step 5: Solve for x
    x = 762,561,014,999.92/988,612.43
  6. Step 6: Final answer
    x = 771,344.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.