Home / 571,764.94-789,021.18-326,734.12

Finding the Fourth Proportional to 571,764.94, 789,021.18 and 326,734.12

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Solution

The fourth proportional to 571,764.94, 789,021.18 and 326,734.12 is: 450,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,764.94 : 789,021.18 = 326,734.12 : x
  2. Step 2: Convert to fraction form
    571,764.94/789,021.18 = 326,734.12/x
  3. Step 3: Cross multiply
    571,764.94x = 789,021.18 × 326,734.12
  4. Step 4: Simplify right side
    571,764.94x = 257,800,138,936.11
  5. Step 5: Solve for x
    x = 257,800,138,936.11/571,764.94
  6. Step 6: Final answer
    x = 450,884.83

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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.