Home / 502,278.50-693,156.83-272,835.72

Finding the Fourth Proportional to 502,278.50, 693,156.83 and 272,835.72

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Solution

The fourth proportional to 502,278.50, 693,156.83 and 272,835.72 is: 376,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,278.50 : 693,156.83 = 272,835.72 : x
  2. Step 2: Convert to fraction form
    502,278.50/693,156.83 = 272,835.72/x
  3. Step 3: Cross multiply
    502,278.50x = 693,156.83 × 272,835.72
  4. Step 4: Simplify right side
    502,278.50x = 189,117,942,785.97
  5. Step 5: Solve for x
    x = 189,117,942,785.97/502,278.50
  6. Step 6: Final answer
    x = 376,520.08

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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.