Home / 1,146,039.66-1,717,990.68-387,353.30

Finding the Fourth Proportional to 1,146,039.66, 1,717,990.68 and 387,353.30

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Solution

The fourth proportional to 1,146,039.66, 1,717,990.68 and 387,353.30 is: 580,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,039.66 : 1,717,990.68 = 387,353.30 : x
  2. Step 2: Convert to fraction form
    1,146,039.66/1,717,990.68 = 387,353.30/x
  3. Step 3: Cross multiply
    1,146,039.66x = 1,717,990.68 × 387,353.30
  4. Step 4: Simplify right side
    1,146,039.66x = 665,469,365,014.80
  5. Step 5: Solve for x
    x = 665,469,365,014.80/1,146,039.66
  6. Step 6: Final answer
    x = 580,668.70

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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.