Home / 671,942.76-927,213.66-413,778.36

Finding the Fourth Proportional to 671,942.76, 927,213.66 and 413,778.36

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Solution

The fourth proportional to 671,942.76, 927,213.66 and 413,778.36 is: 570,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,942.76 : 927,213.66 = 413,778.36 : x
  2. Step 2: Convert to fraction form
    671,942.76/927,213.66 = 413,778.36/x
  3. Step 3: Cross multiply
    671,942.76x = 927,213.66 × 413,778.36
  4. Step 4: Simplify right side
    671,942.76x = 383,660,947,604.40
  5. Step 5: Solve for x
    x = 383,660,947,604.40/671,942.76
  6. Step 6: Final answer
    x = 570,972.66

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1.5x scale

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.