Home / 1,228,253.88-1,842,380.82-479,775

Finding the Fourth Proportional to 1,228,253.88, 1,842,380.82 and 479,775

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Solution

The fourth proportional to 1,228,253.88, 1,842,380.82 and 479,775 is: 719,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,253.88 : 1,842,380.82 = 479,775 : x
  2. Step 2: Convert to fraction form
    1,228,253.88/1,842,380.82 = 479,775/x
  3. Step 3: Cross multiply
    1,228,253.88x = 1,842,380.82 × 479,775
  4. Step 4: Simplify right side
    1,228,253.88x = 883,928,257,915.50
  5. Step 5: Solve for x
    x = 883,928,257,915.50/1,228,253.88
  6. Step 6: Final answer
    x = 719,662.50

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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.