Home / 1,241,205.66-1,861,808.60-399,757.40

Finding the Fourth Proportional to 1,241,205.66, 1,861,808.60 and 399,757.40

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Solution

The fourth proportional to 1,241,205.66, 1,861,808.60 and 399,757.40 is: 599,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,205.66 : 1,861,808.60 = 399,757.40 : x
  2. Step 2: Convert to fraction form
    1,241,205.66/1,861,808.60 = 399,757.40/x
  3. Step 3: Cross multiply
    1,241,205.66x = 1,861,808.60 × 399,757.40
  4. Step 4: Simplify right side
    1,241,205.66x = 744,271,765,233.64
  5. Step 5: Solve for x
    x = 744,271,765,233.64/1,241,205.66
  6. Step 6: Final answer
    x = 599,636.14

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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.