Home / 676,730.18-1,015,096.04-203,415.54

Finding the Fourth Proportional to 676,730.18, 1,015,096.04 and 203,415.54

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Solution

The fourth proportional to 676,730.18, 1,015,096.04 and 203,415.54 is: 305,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,730.18 : 1,015,096.04 = 203,415.54 : x
  2. Step 2: Convert to fraction form
    676,730.18/1,015,096.04 = 203,415.54/x
  3. Step 3: Cross multiply
    676,730.18x = 1,015,096.04 × 203,415.54
  4. Step 4: Simplify right side
    676,730.18x = 206,486,309,128.46
  5. Step 5: Solve for x
    x = 206,486,309,128.46/676,730.18
  6. Step 6: Final answer
    x = 305,123.54

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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.