Home / 467,766.18-645,516.78-252,905.73

Finding the Fourth Proportional to 467,766.18, 645,516.78 and 252,905.73

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Solution

The fourth proportional to 467,766.18, 645,516.78 and 252,905.73 is: 349,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,766.18 : 645,516.78 = 252,905.73 : x
  2. Step 2: Convert to fraction form
    467,766.18/645,516.78 = 252,905.73/x
  3. Step 3: Cross multiply
    467,766.18x = 645,516.78 × 252,905.73
  4. Step 4: Simplify right side
    467,766.18x = 163,254,892,473.15
  5. Step 5: Solve for x
    x = 163,254,892,473.15/467,766.18
  6. Step 6: Final answer
    x = 349,009.61

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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.