Home / 1,019,057.28-1,528,584.12-271,103.28

Finding the Fourth Proportional to 1,019,057.28, 1,528,584.12 and 271,103.28

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Solution

The fourth proportional to 1,019,057.28, 1,528,584.12 and 271,103.28 is: 406,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,057.28 : 1,528,584.12 = 271,103.28 : x
  2. Step 2: Convert to fraction form
    1,019,057.28/1,528,584.12 = 271,103.28/x
  3. Step 3: Cross multiply
    1,019,057.28x = 1,528,584.12 × 271,103.28
  4. Step 4: Simplify right side
    1,019,057.28x = 414,404,168,687.91
  5. Step 5: Solve for x
    x = 414,404,168,687.91/1,019,057.28
  6. Step 6: Final answer
    x = 406,654.44

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Double scale
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Similar ratio
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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.