Home / 526,613.05-789,445.39-189,416.68

Finding the Fourth Proportional to 526,613.05, 789,445.39 and 189,416.68

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Solution

The fourth proportional to 526,613.05, 789,445.39 and 189,416.68 is: 283,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,613.05 : 789,445.39 = 189,416.68 : x
  2. Step 2: Convert to fraction form
    526,613.05/789,445.39 = 189,416.68/x
  3. Step 3: Cross multiply
    526,613.05x = 789,445.39 × 189,416.68
  4. Step 4: Simplify right side
    526,613.05x = 149,534,122,723.11
  5. Step 5: Solve for x
    x = 149,534,122,723.11/526,613.05
  6. Step 6: Final answer
    x = 283,954.46

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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.