Home / 379,343.37-523,487.73-207,257.63

Finding the Fourth Proportional to 379,343.37, 523,487.73 and 207,257.63

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Solution

The fourth proportional to 379,343.37, 523,487.73 and 207,257.63 is: 286,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,343.37 : 523,487.73 = 207,257.63 : x
  2. Step 2: Convert to fraction form
    379,343.37/523,487.73 = 207,257.63/x
  3. Step 3: Cross multiply
    379,343.37x = 523,487.73 × 207,257.63
  4. Step 4: Simplify right side
    379,343.37x = 108,496,826,253.88
  5. Step 5: Solve for x
    x = 108,496,826,253.88/379,343.37
  6. Step 6: Final answer
    x = 286,012.19

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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.