Home / 1,200,584.12-1,800,971-401,868.64

Finding the Fourth Proportional to 1,200,584.12, 1,800,971 and 401,868.64

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Solution

The fourth proportional to 1,200,584.12, 1,800,971 and 401,868.64 is: 602,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,584.12 : 1,800,971 = 401,868.64 : x
  2. Step 2: Convert to fraction form
    1,200,584.12/1,800,971 = 401,868.64/x
  3. Step 3: Cross multiply
    1,200,584.12x = 1,800,971 × 401,868.64
  4. Step 4: Simplify right side
    1,200,584.12x = 723,753,766,449.44
  5. Step 5: Solve for x
    x = 723,753,766,449.44/1,200,584.12
  6. Step 6: Final answer
    x = 602,834.70

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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.