Home / 738,611.58-1,019,331.90-411,961.26

Finding the Fourth Proportional to 738,611.58, 1,019,331.90 and 411,961.26

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Solution

The fourth proportional to 738,611.58, 1,019,331.90 and 411,961.26 is: 568,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,611.58 : 1,019,331.90 = 411,961.26 : x
  2. Step 2: Convert to fraction form
    738,611.58/1,019,331.90 = 411,961.26/x
  3. Step 3: Cross multiply
    738,611.58x = 1,019,331.90 × 411,961.26
  4. Step 4: Simplify right side
    738,611.58x = 419,925,253,882.19
  5. Step 5: Solve for x
    x = 419,925,253,882.19/738,611.58
  6. Step 6: Final answer
    x = 568,533.27

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1.5x scale

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.