Home / 1,324,863.60-1,987,295.40-661,311.60

Finding the Fourth Proportional to 1,324,863.60, 1,987,295.40 and 661,311.60

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Solution

The fourth proportional to 1,324,863.60, 1,987,295.40 and 661,311.60 is: 991,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,863.60 : 1,987,295.40 = 661,311.60 : x
  2. Step 2: Convert to fraction form
    1,324,863.60/1,987,295.40 = 661,311.60/x
  3. Step 3: Cross multiply
    1,324,863.60x = 1,987,295.40 × 661,311.60
  4. Step 4: Simplify right side
    1,324,863.60x = 1,314,221,500,646.64
  5. Step 5: Solve for x
    x = 1,314,221,500,646.64/1,324,863.60
  6. Step 6: Final answer
    x = 991,967.40

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Similar ratio
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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.