Home / 728,751.47-1,093,087.80-223,313.91

Finding the Fourth Proportional to 728,751.47, 1,093,087.80 and 223,313.91

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Solution

The fourth proportional to 728,751.47, 1,093,087.80 and 223,313.91 is: 334,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,751.47 : 1,093,087.80 = 223,313.91 : x
  2. Step 2: Convert to fraction form
    728,751.47/1,093,087.80 = 223,313.91/x
  3. Step 3: Cross multiply
    728,751.47x = 1,093,087.80 × 223,313.91
  4. Step 4: Simplify right side
    728,751.47x = 244,101,710,591.30
  5. Step 5: Solve for x
    x = 244,101,710,591.30/728,751.47
  6. Step 6: Final answer
    x = 334,958.79

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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.