Home / 1,074,616.70-1,611,866.72-326,604.38

Finding the Fourth Proportional to 1,074,616.70, 1,611,866.72 and 326,604.38

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Solution

The fourth proportional to 1,074,616.70, 1,611,866.72 and 326,604.38 is: 489,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,616.70 : 1,611,866.72 = 326,604.38 : x
  2. Step 2: Convert to fraction form
    1,074,616.70/1,611,866.72 = 326,604.38/x
  3. Step 3: Cross multiply
    1,074,616.70x = 1,611,866.72 × 326,604.38
  4. Step 4: Simplify right side
    1,074,616.70x = 526,442,723,485.41
  5. Step 5: Solve for x
    x = 526,442,723,485.41/1,074,616.70
  6. Step 6: Final answer
    x = 489,888.84

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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.