Home / 362,961.75-500,828.90-209,998.11

Finding the Fourth Proportional to 362,961.75, 500,828.90 and 209,998.11

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Solution

The fourth proportional to 362,961.75, 500,828.90 and 209,998.11 is: 289,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,961.75 : 500,828.90 = 209,998.11 : x
  2. Step 2: Convert to fraction form
    362,961.75/500,828.90 = 209,998.11/x
  3. Step 3: Cross multiply
    362,961.75x = 500,828.90 × 209,998.11
  4. Step 4: Simplify right side
    362,961.75x = 105,173,121,383.39
  5. Step 5: Solve for x
    x = 105,173,121,383.39/362,961.75
  6. Step 6: Final answer
    x = 289,763.65

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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.