Home / 1,086,755.60-1,630,880.80-376,783.64

Finding the Fourth Proportional to 1,086,755.60, 1,630,880.80 and 376,783.64

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Solution

The fourth proportional to 1,086,755.60, 1,630,880.80 and 376,783.64 is: 565,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,755.60 : 1,630,880.80 = 376,783.64 : x
  2. Step 2: Convert to fraction form
    1,086,755.60/1,630,880.80 = 376,783.64/x
  3. Step 3: Cross multiply
    1,086,755.60x = 1,630,880.80 × 376,783.64
  4. Step 4: Simplify right side
    1,086,755.60x = 614,489,204,230.11
  5. Step 5: Solve for x
    x = 614,489,204,230.11/1,086,755.60
  6. Step 6: Final answer
    x = 565,434.59

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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.