Home / 352,565.28-527,667.12-289,383.20

Finding the Fourth Proportional to 352,565.28, 527,667.12 and 289,383.20

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Solution

The fourth proportional to 352,565.28, 527,667.12 and 289,383.20 is: 433,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,565.28 : 527,667.12 = 289,383.20 : x
  2. Step 2: Convert to fraction form
    352,565.28/527,667.12 = 289,383.20/x
  3. Step 3: Cross multiply
    352,565.28x = 527,667.12 × 289,383.20
  4. Step 4: Simplify right side
    352,565.28x = 152,697,999,720.38
  5. Step 5: Solve for x
    x = 152,697,999,720.38/352,565.28
  6. Step 6: Final answer
    x = 433,105.61

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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.