Home / 623,563.20-935,517.60-413,611.20

Finding the Fourth Proportional to 623,563.20, 935,517.60 and 413,611.20

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Solution

The fourth proportional to 623,563.20, 935,517.60 and 413,611.20 is: 620,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,563.20 : 935,517.60 = 413,611.20 : x
  2. Step 2: Convert to fraction form
    623,563.20/935,517.60 = 413,611.20/x
  3. Step 3: Cross multiply
    623,563.20x = 935,517.60 × 413,611.20
  4. Step 4: Simplify right side
    623,563.20x = 386,940,557,157.12
  5. Step 5: Solve for x
    x = 386,940,557,157.12/623,563.20
  6. Step 6: Final answer
    x = 620,531.42

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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.