Home / 671,331.24-1,006,999.50-271,979.56

Finding the Fourth Proportional to 671,331.24, 1,006,999.50 and 271,979.56

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Solution

The fourth proportional to 671,331.24, 1,006,999.50 and 271,979.56 is: 407,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,331.24 : 1,006,999.50 = 271,979.56 : x
  2. Step 2: Convert to fraction form
    671,331.24/1,006,999.50 = 271,979.56/x
  3. Step 3: Cross multiply
    671,331.24x = 1,006,999.50 × 271,979.56
  4. Step 4: Simplify right side
    671,331.24x = 273,883,280,930.22
  5. Step 5: Solve for x
    x = 273,883,280,930.22/671,331.24
  6. Step 6: Final answer
    x = 407,970.41

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1.5x scale

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.