Home / 502,278.75-693,157.19-272,835.97

Finding the Fourth Proportional to 502,278.75, 693,157.19 and 272,835.97

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Solution

The fourth proportional to 502,278.75, 693,157.19 and 272,835.97 is: 376,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,278.75 : 693,157.19 = 272,835.97 : x
  2. Step 2: Convert to fraction form
    502,278.75/693,157.19 = 272,835.97/x
  3. Step 3: Cross multiply
    502,278.75x = 693,157.19 × 272,835.97
  4. Step 4: Simplify right side
    502,278.75x = 189,118,211,199.05
  5. Step 5: Solve for x
    x = 189,118,211,199.05/502,278.75
  6. Step 6: Final answer
    x = 376,520.43

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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.