Home / 1,327,706.40-1,992,207.60-617,368.80

Finding the Fourth Proportional to 1,327,706.40, 1,992,207.60 and 617,368.80

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Solution

The fourth proportional to 1,327,706.40, 1,992,207.60 and 617,368.80 is: 926,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,706.40 : 1,992,207.60 = 617,368.80 : x
  2. Step 2: Convert to fraction form
    1,327,706.40/1,992,207.60 = 617,368.80/x
  3. Step 3: Cross multiply
    1,327,706.40x = 1,992,207.60 × 617,368.80
  4. Step 4: Simplify right side
    1,327,706.40x = 1,229,926,815,362.88
  5. Step 5: Solve for x
    x = 1,229,926,815,362.88/1,327,706.40
  6. Step 6: Final answer
    x = 926,354.51

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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.