Home / 866,644.20-1,297,431.90-617,812.20

Finding the Fourth Proportional to 866,644.20, 1,297,431.90 and 617,812.20

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Solution

The fourth proportional to 866,644.20, 1,297,431.90 and 617,812.20 is: 924,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,644.20 : 1,297,431.90 = 617,812.20 : x
  2. Step 2: Convert to fraction form
    866,644.20/1,297,431.90 = 617,812.20/x
  3. Step 3: Cross multiply
    866,644.20x = 1,297,431.90 × 617,812.20
  4. Step 4: Simplify right side
    866,644.20x = 801,569,256,489.18
  5. Step 5: Solve for x
    x = 801,569,256,489.18/866,644.20
  6. Step 6: Final answer
    x = 924,911.58

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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.