Home / 773,445.60-1,160,168.40-419,151.60

Finding the Fourth Proportional to 773,445.60, 1,160,168.40 and 419,151.60

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Solution

The fourth proportional to 773,445.60, 1,160,168.40 and 419,151.60 is: 628,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,445.60 : 1,160,168.40 = 419,151.60 : x
  2. Step 2: Convert to fraction form
    773,445.60/1,160,168.40 = 419,151.60/x
  3. Step 3: Cross multiply
    773,445.60x = 1,160,168.40 × 419,151.60
  4. Step 4: Simplify right side
    773,445.60x = 486,286,441,129.44
  5. Step 5: Solve for x
    x = 486,286,441,129.44/773,445.60
  6. Step 6: Final answer
    x = 628,727.40

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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.