Home / 725,077.49-1,087,539.66-192,652.34

Finding the Fourth Proportional to 725,077.49, 1,087,539.66 and 192,652.34

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Solution

The fourth proportional to 725,077.49, 1,087,539.66 and 192,652.34 is: 288,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,077.49 : 1,087,539.66 = 192,652.34 : x
  2. Step 2: Convert to fraction form
    725,077.49/1,087,539.66 = 192,652.34/x
  3. Step 3: Cross multiply
    725,077.49x = 1,087,539.66 × 192,652.34
  4. Step 4: Simplify right side
    725,077.49x = 209,517,054,904.11
  5. Step 5: Solve for x
    x = 209,517,054,904.11/725,077.49
  6. Step 6: Final answer
    x = 288,958.16

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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.