Home / 427,218.87-589,565.88-236,245.17

Finding the Fourth Proportional to 427,218.87, 589,565.88 and 236,245.17

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Solution

The fourth proportional to 427,218.87, 589,565.88 and 236,245.17 is: 326,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,218.87 : 589,565.88 = 236,245.17 : x
  2. Step 2: Convert to fraction form
    427,218.87/589,565.88 = 236,245.17/x
  3. Step 3: Cross multiply
    427,218.87x = 589,565.88 × 236,245.17
  4. Step 4: Simplify right side
    427,218.87x = 139,282,091,546.80
  5. Step 5: Solve for x
    x = 139,282,091,546.80/427,218.87
  6. Step 6: Final answer
    x = 326,020.46

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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.