Home / 712,022.40-1,067,169.60-411,926.40

Finding the Fourth Proportional to 712,022.40, 1,067,169.60 and 411,926.40

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Solution

The fourth proportional to 712,022.40, 1,067,169.60 and 411,926.40 is: 617,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,022.40 : 1,067,169.60 = 411,926.40 : x
  2. Step 2: Convert to fraction form
    712,022.40/1,067,169.60 = 411,926.40/x
  3. Step 3: Cross multiply
    712,022.40x = 1,067,169.60 × 411,926.40
  4. Step 4: Simplify right side
    712,022.40x = 439,595,331,517.44
  5. Step 5: Solve for x
    x = 439,595,331,517.44/712,022.40
  6. Step 6: Final answer
    x = 617,389.75

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1.5x scale

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.