Home / 1,074,469.71-1,611,149.92-316,212.71

Finding the Fourth Proportional to 1,074,469.71, 1,611,149.92 and 316,212.71

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Solution

The fourth proportional to 1,074,469.71, 1,611,149.92 and 316,212.71 is: 474,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,469.71 : 1,611,149.92 = 316,212.71 : x
  2. Step 2: Convert to fraction form
    1,074,469.71/1,611,149.92 = 316,212.71/x
  3. Step 3: Cross multiply
    1,074,469.71x = 1,611,149.92 × 316,212.71
  4. Step 4: Simplify right side
    1,074,469.71x = 509,466,085,656.83
  5. Step 5: Solve for x
    x = 509,466,085,656.83/1,074,469.71
  6. Step 6: Final answer
    x = 474,155.84

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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.