Home / 1,086,352.40-1,629,528.60-455,200.40

Finding the Fourth Proportional to 1,086,352.40, 1,629,528.60 and 455,200.40

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Solution

The fourth proportional to 1,086,352.40, 1,629,528.60 and 455,200.40 is: 682,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,352.40 : 1,629,528.60 = 455,200.40 : x
  2. Step 2: Convert to fraction form
    1,086,352.40/1,629,528.60 = 455,200.40/x
  3. Step 3: Cross multiply
    1,086,352.40x = 1,629,528.60 × 455,200.40
  4. Step 4: Simplify right side
    1,086,352.40x = 741,762,070,531.44
  5. Step 5: Solve for x
    x = 741,762,070,531.44/1,086,352.40
  6. Step 6: Final answer
    x = 682,800.60

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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.