Home / 868,650.37-1,302,204.73-328,528.86

Finding the Fourth Proportional to 868,650.37, 1,302,204.73 and 328,528.86

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Solution

The fourth proportional to 868,650.37, 1,302,204.73 and 328,528.86 is: 492,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,650.37 : 1,302,204.73 = 328,528.86 : x
  2. Step 2: Convert to fraction form
    868,650.37/1,302,204.73 = 328,528.86/x
  3. Step 3: Cross multiply
    868,650.37x = 1,302,204.73 × 328,528.86
  4. Step 4: Simplify right side
    868,650.37x = 427,811,836,745.82
  5. Step 5: Solve for x
    x = 427,811,836,745.82/868,650.37
  6. Step 6: Final answer
    x = 492,501.76

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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.