Home / 1,241,181.60-1,861,772.40-611,325.60

Finding the Fourth Proportional to 1,241,181.60, 1,861,772.40 and 611,325.60

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Solution

The fourth proportional to 1,241,181.60, 1,861,772.40 and 611,325.60 is: 916,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,181.60 : 1,861,772.40 = 611,325.60 : x
  2. Step 2: Convert to fraction form
    1,241,181.60/1,861,772.40 = 611,325.60/x
  3. Step 3: Cross multiply
    1,241,181.60x = 1,861,772.40 × 611,325.60
  4. Step 4: Simplify right side
    1,241,181.60x = 1,138,149,129,493.44
  5. Step 5: Solve for x
    x = 1,138,149,129,493.44/1,241,181.60
  6. Step 6: Final answer
    x = 916,988.40

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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.