Home / 1,300,868.54-1,951,302.82-857,532.86

Finding the Fourth Proportional to 1,300,868.54, 1,951,302.82 and 857,532.86

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Solution

The fourth proportional to 1,300,868.54, 1,951,302.82 and 857,532.86 is: 1,286,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,868.54 : 1,951,302.82 = 857,532.86 : x
  2. Step 2: Convert to fraction form
    1,300,868.54/1,951,302.82 = 857,532.86/x
  3. Step 3: Cross multiply
    1,300,868.54x = 1,951,302.82 × 857,532.86
  4. Step 4: Simplify right side
    1,300,868.54x = 1,673,306,287,960.67
  5. Step 5: Solve for x
    x = 1,673,306,287,960.67/1,300,868.54
  6. Step 6: Final answer
    x = 1,286,299.30

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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.