Home / 988,449.98-1,364,187.30-552,891.53

Finding the Fourth Proportional to 988,449.98, 1,364,187.30 and 552,891.53

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Solution

The fourth proportional to 988,449.98, 1,364,187.30 and 552,891.53 is: 763,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,449.98 : 1,364,187.30 = 552,891.53 : x
  2. Step 2: Convert to fraction form
    988,449.98/1,364,187.30 = 552,891.53/x
  3. Step 3: Cross multiply
    988,449.98x = 1,364,187.30 × 552,891.53
  4. Step 4: Simplify right side
    988,449.98x = 754,247,599,724.99
  5. Step 5: Solve for x
    x = 754,247,599,724.99/988,449.98
  6. Step 6: Final answer
    x = 763,060.97

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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.