Home / 693,639.60-1,040,459.40-444,807.60

Finding the Fourth Proportional to 693,639.60, 1,040,459.40 and 444,807.60

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Solution

The fourth proportional to 693,639.60, 1,040,459.40 and 444,807.60 is: 667,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,639.60 : 1,040,459.40 = 444,807.60 : x
  2. Step 2: Convert to fraction form
    693,639.60/1,040,459.40 = 444,807.60/x
  3. Step 3: Cross multiply
    693,639.60x = 1,040,459.40 × 444,807.60
  4. Step 4: Simplify right side
    693,639.60x = 462,804,248,611.44
  5. Step 5: Solve for x
    x = 462,804,248,611.44/693,639.60
  6. Step 6: Final answer
    x = 667,211.40

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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.