Home / 674,262.15-1,011,540.92-253,538.03

Finding the Fourth Proportional to 674,262.15, 1,011,540.92 and 253,538.03

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Solution

The fourth proportional to 674,262.15, 1,011,540.92 and 253,538.03 is: 380,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,262.15 : 1,011,540.92 = 253,538.03 : x
  2. Step 2: Convert to fraction form
    674,262.15/1,011,540.92 = 253,538.03/x
  3. Step 3: Cross multiply
    674,262.15x = 1,011,540.92 × 253,538.03
  4. Step 4: Simplify right side
    674,262.15x = 256,464,085,795.79
  5. Step 5: Solve for x
    x = 256,464,085,795.79/674,262.15
  6. Step 6: Final answer
    x = 380,362.57

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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.