Home / 866,645.20-1,297,433.40-617,813.20

Finding the Fourth Proportional to 866,645.20, 1,297,433.40 and 617,813.20

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Solution

The fourth proportional to 866,645.20, 1,297,433.40 and 617,813.20 is: 924,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,645.20 : 1,297,433.40 = 617,813.20 : x
  2. Step 2: Convert to fraction form
    866,645.20/1,297,433.40 = 617,813.20/x
  3. Step 3: Cross multiply
    866,645.20x = 1,297,433.40 × 617,813.20
  4. Step 4: Simplify right side
    866,645.20x = 801,571,480,640.88
  5. Step 5: Solve for x
    x = 801,571,480,640.88/866,645.20
  6. Step 6: Final answer
    x = 924,913.08

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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.