Home / 897,104.28-1,345,213.34-328,056.42

Finding the Fourth Proportional to 897,104.28, 1,345,213.34 and 328,056.42

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Solution

The fourth proportional to 897,104.28, 1,345,213.34 and 328,056.42 is: 491,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,104.28 : 1,345,213.34 = 328,056.42 : x
  2. Step 2: Convert to fraction form
    897,104.28/1,345,213.34 = 328,056.42/x
  3. Step 3: Cross multiply
    897,104.28x = 1,345,213.34 × 328,056.42
  4. Step 4: Simplify right side
    897,104.28x = 441,305,872,456.64
  5. Step 5: Solve for x
    x = 441,305,872,456.64/897,104.28
  6. Step 6: Final answer
    x = 491,922.60

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Double scale
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Similar ratio
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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.