Home / 427,437.75-589,813.07-236,425.17

Finding the Fourth Proportional to 427,437.75, 589,813.07 and 236,425.17

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Solution

The fourth proportional to 427,437.75, 589,813.07 and 236,425.17 is: 326,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,437.75 : 589,813.07 = 236,425.17 : x
  2. Step 2: Convert to fraction form
    427,437.75/589,813.07 = 236,425.17/x
  3. Step 3: Cross multiply
    427,437.75x = 589,813.07 × 236,425.17
  4. Step 4: Simplify right side
    427,437.75x = 139,446,654,160.85
  5. Step 5: Solve for x
    x = 139,446,654,160.85/427,437.75
  6. Step 6: Final answer
    x = 326,238.51

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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.