Home / 1,618,915.68-2,234,396.04-965,583.60

Finding the Fourth Proportional to 1,618,915.68, 2,234,396.04 and 965,583.60

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Solution

The fourth proportional to 1,618,915.68, 2,234,396.04 and 965,583.60 is: 1,332,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,915.68 : 2,234,396.04 = 965,583.60 : x
  2. Step 2: Convert to fraction form
    1,618,915.68/2,234,396.04 = 965,583.60/x
  3. Step 3: Cross multiply
    1,618,915.68x = 2,234,396.04 × 965,583.60
  4. Step 4: Simplify right side
    1,618,915.68x = 2,157,496,172,128.94
  5. Step 5: Solve for x
    x = 2,157,496,172,128.94/1,618,915.68
  6. Step 6: Final answer
    x = 1,332,679.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.