Home / 693,362.40-1,040,043.60-587,074.20

Finding the Fourth Proportional to 693,362.40, 1,040,043.60 and 587,074.20

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Solution

The fourth proportional to 693,362.40, 1,040,043.60 and 587,074.20 is: 880,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,362.40 : 1,040,043.60 = 587,074.20 : x
  2. Step 2: Convert to fraction form
    693,362.40/1,040,043.60 = 587,074.20/x
  3. Step 3: Cross multiply
    693,362.40x = 1,040,043.60 × 587,074.20
  4. Step 4: Simplify right side
    693,362.40x = 610,582,764,435.12
  5. Step 5: Solve for x
    x = 610,582,764,435.12/693,362.40
  6. Step 6: Final answer
    x = 880,611.30

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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.