Home / 753,690.96-1,040,081.76-414,151.92

Finding the Fourth Proportional to 753,690.96, 1,040,081.76 and 414,151.92

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Solution

The fourth proportional to 753,690.96, 1,040,081.76 and 414,151.92 is: 571,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,690.96 : 1,040,081.76 = 414,151.92 : x
  2. Step 2: Convert to fraction form
    753,690.96/1,040,081.76 = 414,151.92/x
  3. Step 3: Cross multiply
    753,690.96x = 1,040,081.76 × 414,151.92
  4. Step 4: Simplify right side
    753,690.96x = 430,751,857,860.98
  5. Step 5: Solve for x
    x = 430,751,857,860.98/753,690.96
  6. Step 6: Final answer
    x = 571,523.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.