Home / 759,812.76-1,136,817.45-664,337.97

Finding the Fourth Proportional to 759,812.76, 1,136,817.45 and 664,337.97

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Solution

The fourth proportional to 759,812.76, 1,136,817.45 and 664,337.97 is: 993,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,812.76 : 1,136,817.45 = 664,337.97 : x
  2. Step 2: Convert to fraction form
    759,812.76/1,136,817.45 = 664,337.97/x
  3. Step 3: Cross multiply
    759,812.76x = 1,136,817.45 × 664,337.97
  4. Step 4: Simplify right side
    759,812.76x = 755,230,996,993.58
  5. Step 5: Solve for x
    x = 755,230,996,993.58/759,812.76
  6. Step 6: Final answer
    x = 993,969.88

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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.