Home / 866,809.20-1,297,679.40-617,977.20

Finding the Fourth Proportional to 866,809.20, 1,297,679.40 and 617,977.20

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Solution

The fourth proportional to 866,809.20, 1,297,679.40 and 617,977.20 is: 925,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,809.20 : 1,297,679.40 = 617,977.20 : x
  2. Step 2: Convert to fraction form
    866,809.20/1,297,679.40 = 617,977.20/x
  3. Step 3: Cross multiply
    866,809.20x = 1,297,679.40 × 617,977.20
  4. Step 4: Simplify right side
    866,809.20x = 801,936,282,109.68
  5. Step 5: Solve for x
    x = 801,936,282,109.68/866,809.20
  6. Step 6: Final answer
    x = 925,158.94

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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.