Home / 683,706.14-1,025,780.64-328,674.02

Finding the Fourth Proportional to 683,706.14, 1,025,780.64 and 328,674.02

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Solution

The fourth proportional to 683,706.14, 1,025,780.64 and 328,674.02 is: 493,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,706.14 : 1,025,780.64 = 328,674.02 : x
  2. Step 2: Convert to fraction form
    683,706.14/1,025,780.64 = 328,674.02/x
  3. Step 3: Cross multiply
    683,706.14x = 1,025,780.64 × 328,674.02
  4. Step 4: Simplify right side
    683,706.14x = 337,147,446,586.97
  5. Step 5: Solve for x
    x = 337,147,446,586.97/683,706.14
  6. Step 6: Final answer
    x = 493,117.48

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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.