Home / 427,320.54-589,692.24-236,329.92

Finding the Fourth Proportional to 427,320.54, 589,692.24 and 236,329.92

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Solution

The fourth proportional to 427,320.54, 589,692.24 and 236,329.92 is: 326,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,320.54 : 589,692.24 = 236,329.92 : x
  2. Step 2: Convert to fraction form
    427,320.54/589,692.24 = 236,329.92/x
  3. Step 3: Cross multiply
    427,320.54x = 589,692.24 × 236,329.92
  4. Step 4: Simplify right side
    427,320.54x = 139,361,919,903.82
  5. Step 5: Solve for x
    x = 139,361,919,903.82/427,320.54
  6. Step 6: Final answer
    x = 326,129.70

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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.